Search results “Regression analysis in r”

In this video, I show how to use R to fit a linear regression model using the lm() command. I also introduce how to plot the regression line and the overall arithmetic mean of the response variable, and I briefly explain the use of diagnostic plots to inspect the residuals. Basic features of the R interface (script window, console window) are introduced.
The R code used in this video is:
data(airquality)
names(airquality)
#[1] "Ozone" "Solar.R" "Wind" "Temp" "Month" "Day"
plot(Ozone~Solar.R,data=airquality)
#calculate mean ozone concentration (na´s removed)
mean.Ozone=mean(airquality$Ozone,na.rm=T)
abline(h=mean.Ozone)
#use lm to fit a regression line through these data:
model1=lm(Ozone~Solar.R,data=airquality)
model1
abline(model1,col="red")
plot(model1)
termplot(model1)
summary(model1)

Views: 355223
Christoph Scherber

Simple Linear Regression in R: How to Fit a Model; Linear Regression Concept and with R (https://bit.ly/2z8fXg1); Practice Dataset: (https://bit.ly/2rOfgEJ)
More Statistics and R Programming Tutorials (https://goo.gl/4vDQzT)
▶︎▶︎Like to support us? You can Donate https://statslectures.com/support-us or Share our Videos with all your friends!
How to fit a Linear Regression Model in R, Produce Summaries and ANOVA table for it.
◼︎ What to Expect in this R video Tutorial:
► learn when to use a regression model, and how to use the “lm” function in R to fit a linear regression model for your data
► learn to produce summaries for your regression model using “summary” function in R statistics software; these summaries can include intercept, test statistic, p value, and estimates of the slope for your linear regression model
► become familiar with the Residual Error: a measure of the variation of observations in regression line
► learn to ask R programming software for the attributes of the simple linear regression model using "attributes" function, extract certain attributes from the regression model using the dollar sign ($), add a regression line to a plot in R using "abline" function and change the color or width of the regression line.
► this R tutorial will also show you how to get the simple linear regression model's coefficient using the "coef" function or produce confidence intervals for the regression model using "confint" functions; moreover, you will learn to change the level of confidence using the "level" argument within the "confint" function.
►You will also learn to produce the ANOVA table for the linear regression model using the "anova" function, explore the relationship between ANOVA table and the f-test of the regression summary, and explore the relationship between the residual standard error of the linear regression summary and the square root of the mean squared error or mean squared residual from the ANOVA table.
► ►You can access and download the dataset here: https://statslectures.com/r-scripts-datasets
►► Watch More:
► Intro to Statistics Course: https://bit.ly/2SQOxDH
►R Tutorials for Data Science https://bit.ly/1A1Pixc
►Getting Started with R (Series 1): https://bit.ly/2PkTneg
►Graphs and Descriptive Statistics in R (Series 2): https://bit.ly/2PkTneg
►Probability distributions in R (Series 3): https://bit.ly/2AT3wpI
►Bivariate analysis in R (Series 4): https://bit.ly/2SXvcRi
►Linear Regression in R (Series 5): https://bit.ly/1iytAtm
►ANOVA Concept and with R https://bit.ly/2zBwjgL
►Linear Regression Concept and with R https://bit.ly/2z8fXg1
◼︎ Table of Content:
0:00:07 When to fit a simple linear regression model?
0:01:11 How to fit a linear regression model in R using the "lm" function
0:01:14 How to access the help menu in R for any function
0:01:36 How to let R know which variable is X and which one is Y when fitting a regression model
0:01:45 How to ask for the summary of the simple linear regression model in R including estimates for intercept, test statistic, p-values and estimates of the slope.
0:02:27 Residual standard error (residual error) in R
0:02:53 How to ask for the attributes of the simple linear regression model in R
0:03:06 How to extract certain attributes from the simple linear regression model in R
0:03:40 How to add a regression line to a plot in R
0:03:52 How to change the color or width of the regression line in R
0:04:07 How to get the simple linear regression model's coefficient in R
0:04:11 How to produce confidence intervals for model's coefficients in R
0:04:21 How to change the level of confidence for model's coefficients in R
0:04:38 How to produce the ANOVA table for the linear regression in R
0:04:47 Explore the relationship between ANOVA table and the f-test of the linear regression summary
0:04:55 Explore the relationship between the residual standard error of the linear regression summary and the square root of the mean squared error or mean squared residual from the ANOVA table
This video is a tutorial for programming in R Statistical Software for beginners, using RStudio.
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Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These videos are created by #marinstatslectures to support some courses at The University of British Columbia (UBC) (#IntroductoryStatistics and #RVideoTutorials for Health Science Research), although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 213769
MarinStatsLectures- R Programming & Statistics

Introduction to multiple regression in r. The data set is discussed and exploratory data analysis is performed here using correlation matrix and scatterplot matrix.

Views: 46109
Jalayer Academy

This "Linear regression in R" video will help you understand what is linear regression, why linear regression, you will see how linear regression works using a simple example and you will also see a use case predicting the revenue of a company using linear regression. Linear Regression is the statistical model used to predict the relationship between independent and dependent variables by examining two factors. The first one is which variables, in particular, are significant predictors of the outcome variable and the second one is how significant is the regression line to make predictions with the highest possible accuracy. Now, lets deep dive into this video and understand what is linear regression.
Below topics are explained in this "Linear Regression in R" video:
1. Why linear regression? ( 00:28 )
2. What is linear regression? ( 03:09 )
3. How linear regression works? ( 03:48 )
4. Use case - Predicting the revenue using linear regression (10:05)
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Watch more videos on Data Science: https://www.youtube.com/watch?v=0gf5iLTbiQM&list=PLEiEAq2VkUUIEQ7ENKU5Gv0HpRDtOphC6
#DataScienceWithR #DataScienceCourse #DataScience #DataScientist #BusinessAnalytics #MachineLearning
Become an expert in data analytics using the R programming language in this data science certification training course. You’ll master data exploration, data visualization, predictive analytics and descriptive analytics techniques with the R language. With this data science course, you’ll get hands-on practice on R CloudLab by implementing various real-life, industry-based projects in the domains of healthcare, retail, insurance, finance, airlines, music industry, and unemployment.
Why learn Data Science with R?
1. This course forms an ideal package for aspiring data analysts aspiring to build a successful career in analytics/data science. By the end of this training, participants will acquire a 360-degree overview of business analytics and R by mastering concepts like data exploration, data visualization, predictive analytics, etc
2. According to marketsandmarkets.com, the advanced analytics market will be worth $29.53 Billion by 2019
3. Wired.com points to a report by Glassdoor that the average salary of a data scientist is $118,709
4. Randstad reports that pay hikes in the analytics industry are 50% higher than IT
The Data Science Certification with R has been designed to give you in-depth knowledge of the various data analytics techniques that can be performed using R. The data science course is packed with real-life projects and case studies, and includes R CloudLab for practice.
1. Mastering R language: The data science course provides an in-depth understanding of the R language, R-studio, and R packages. You will learn the various types of apply functions including DPYR, gain an understanding of data structure in R, and perform data visualizations using the various graphics available in R.
2. Mastering advanced statistical concepts: The data science training course also includes various statistical concepts such as linear and logistic regression, cluster analysis and forecasting. You will also learn hypothesis testing.
3. As a part of the data science with R training course, you will be required to execute real-life projects using CloudLab. The compulsory projects are spread over four case studies in the domains of healthcare, retail, and the Internet. Four additional projects are also available for further practice.
The Data Science with R is recommended for:
1. IT professionals looking for a career switch into data science and analytics
2. Software developers looking for a career switch into data science and analytics
3. Professionals working in data and business analytics
4. Graduates looking to build a career in analytics and data science
5. Anyone with a genuine interest in the data science field
6. Experienced professionals who would like to harness data science in their fields
Learn more at: https://www.simplilearn.com/big-data-and-analytics/data-scientist-certification-sas-r-excel-training?utm_campaign=Linear-Regression-in-R-2Sb1Gvo5si8&utm_medium=Tutorials&utm_source=youtube
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Get the iOS app: http://apple.co/1HIO5J0

Views: 12118
Simplilearn

Multiple Linear Regression Model in R; Fitting the model and interpreting the outcomes!
Practice Dataset: (https://bit.ly/2rOfgEJ); Linear Regression Concept and with R (https://bit.ly/2z8fXg1)
More Statistics and R Programming Tutorial (https://goo.gl/4vDQzT)
Learn how to fit and interpret output from a multiple linear regression model in R and produce summaries.
▶︎ You will learn to use "lm", "summary", "cor", "confint" functions.
▶︎ You will also learn to use "plot" function for producing residual and QQ plots in R.
▶︎ We recommend that you first watch our video on simple linear regression concept (https://youtu.be/vblX9JVpHE8) and in R (https://youtu.be/66z_MRwtFJM)
▶︎▶︎Download the dataset here: https://statslectures.com/r-scripts-datasets
▶︎▶︎Like to support us? You can Donate https://statslectures.com/support-us or Share our Videos and help us reach more people!
◼︎ Table of Content:
0:00:07 Multiple Linear Regression Model
0:00:32 How to fit a linear model in R? using the "lm" function
0:00:36 How to access the help menu in R for multiple linear regression
0:01:06 How to fit a linear regression model in R with two explanatory or X variables
0:01:19 How to produce and interpret the summary of linear regression model fit in R
0:03:16 How to calculate Pearson's correlation between the two variables in R
0:03:26 How to interpret the collinearity between two variables in R
0:03:49 How to create a confidence interval for the model coefficients in R? using the "confint" function
0:03:57 How to interpret the confidence interval for our model's coefficients in R
0:04:13 How to fit a linear model using all of the X variables in R
0:04:27 how to check the linear regression model assumptions in R? by examining plots of the residuals or errors using the "plot(model)" function
►► Watch More:
►Linear Regression Concept and with R https://bit.ly/2z8fXg1
►R Tutorials for Data Science https://bit.ly/1A1Pixc
►Getting Started with R (Series 1): https://bit.ly/2PkTneg
►Graphs and Descriptive Statistics in R (Series 2): https://bit.ly/2PkTneg
►Probability distributions in R (Series 3): https://bit.ly/2AT3wpI
►Bivariate analysis in R (Series 4): https://bit.ly/2SXvcRi
►Linear Regression in R (Series 5): https://bit.ly/1iytAtm
►ANOVA Concept and with R https://bit.ly/2zBwjgL
►Linear Regression Concept and with R https://bit.ly/2z8fXg1
► Intro to Statistics Course: https://bit.ly/2SQOxDH
►Statistics & R Tutorials: Step by Step https://bit.ly/2Qt075y
This video is a tutorial for programming in R Statistical Software for beginners, using RStudio.
Follow MarinStatsLectures
Subscribe: https://goo.gl/4vDQzT
website: https://statslectures.com
Facebook:https://goo.gl/qYQavS
Twitter:https://goo.gl/393AQG
Instagram: https://goo.gl/fdPiDn
Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These videos are created by #marinstatslectures to support some courses at The University of British Columbia (UBC) (#IntroductoryStatistics and #RVideoTutorials for Health Science Research), although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 230351
MarinStatsLectures- R Programming & Statistics

This R tutorial gives an introduction to Linear Regression in R tool. This R tutorial is specially designed to help beginners.
View upcoming batches schedule: http://goo.gl/BJJn0B
This video helps you understand:
• What is Data Mining?
• What is Business Analytics?
• Stages of Analytics / data mining
• What is R?
• Overview of Machine Learning
• What is Linear Regression?
• Case Study
The topics related to ‘Data Analytics with R’ have been widely covered in our course.
For more information, please write back to us at [email protected] or call us at IND: 9606058406 / US: 18338555775 (toll-free).

Views: 37179
edureka!

This video describes how to do Logistic Regression in R, step-by-step. We start by importing a dataset and cleaning it up, then we perform logistic regression on a very simple model, followed by a fancy model. Lastly we draw a graph of the predicted probabilities that came from the Logistic Regression.
The code that I use in this video can be found on the StatQuest website:
https://statquest.org/2018/07/23/statquest-logistic-regression-in-r/#code
For more details on what's going on, check out the following StatQuests:
For a general overview of Logistic Regression:
https://youtu.be/yIYKR4sgzI8
The odds and log(odds), clearly explained:
https://youtu.be/ARfXDSkQf1Y
The odds ratio and log(odds ratio), clearly explained:
https://youtu.be/8nm0G-1uJzA
Logistic Regression, Details Part 1, Coefficients:
https://youtu.be/vN5cNN2-HWE
Logistic Regression, Details Part 2, Fitting a line with Maximum Likelihood:
https://youtu.be/BfKanl1aSG0
Logistic Regression Details Part 3, R-squared and its p-value:
https://youtu.be/xxFYro8QuXA
Saturated Models and Deviance Statistics, Clearly Explained:
https://youtu.be/9T0wlKdew6I
Deviance Residuals, Clearly Explained:
https://youtu.be/JC56jS2gVUE
For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/
If you'd like to support StatQuest, please consider a StatQuest t-shirt or sweatshirt...
https://teespring.com/stores/statquest
...or buying one or two of my songs (or go large and get a whole album!)
https://joshuastarmer.bandcamp.com/
...or just donating to StatQuest!
https://www.paypal.me/statquest

Views: 52135
StatQuest with Josh Starmer

R Programming - Linear Regression
Watch More Videos at https://www.tutorialspoint.com/videotutorials/index.htm
Lecture By: Mr. Ashish Sharma, Tutorials Point India Private Limited.

Views: 3940
Tutorials Point (India) Pvt. Ltd.

This video, which walks you through a simple regression in R, is meant to be a companion to the StatQuest on Linear Regression https://youtu.be/nk2CQITm_eo
If you want to just copy and paste the R code, you can get it from the StatQuest website: https://statquest.org/2017/07/25/statquest-linear-regression-aka-glms-part-1/
If you'd like to support StatQuest, please consider buying one or two of my songs (or go large and get a whole album!)
https://joshuastarmer.bandcamp.com/

Views: 10677
StatQuest with Josh Starmer

This clip demonstrates how to use R to run a regression. This clip is a companion to the following website which gives an introduction to R programming for econometricians. The dataset used is also available from that website: http://eclr.humanities.manchester.ac.uk/index.php/R
Table of Contents:
00:00 - Introduction
04:01 - Regression Output
06:53 - Accessing Regression Results
10:09 - no dataframe
12:53 - no constant
13:37 - Subsets/Subsamples

Views: 23743
Ralf Becker

See Part 2 of this topic here! https://www.youtube.com/watch?v=sKW2umonEvY

Views: 33384
Jonathan Brown

Association between two numerical variables with R

Views: 2043
Gilles Lamothe

How to calculate Linear Regression using R.
http://www.MyBookSucks.Com/R/Linear_Regression.R
http://www.MyBookSucks.Com/R
Playlist
http://www.youtube.com/playlist?list=PLF596A4043DBEAE9C

Views: 23397
statisticsfun

See here for the course website, including a transcript of the code and an interactive quiz for this segment:
http://dgrtwo.github.io/RData/lessons/lesson3/segment3/

Views: 25640
Data Analysis and Visualization Using R

R-Squared or Coefficient of Determination
Watch the next lesson: https://www.khanacademy.org/math/probability/regression/regression-correlation/v/calculating-r-squared?utm_source=YT&utm_medium=Desc&utm_campaign=ProbabilityandStatistics
Missed the previous lesson?
https://www.khanacademy.org/math/probability/regression/regression-correlation/v/second-regression-example?utm_source=YT&utm_medium=Desc&utm_campaign=ProbabilityandStatistics
Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probabilities! Statistics is related to probability because much of the data we use when determining probable outcomes comes from our understanding of statistics. In these tutorials, we will cover a range of topics, some which include: independent events, dependent probability, combinatorics, hypothesis testing, descriptive statistics, random variables, probability distributions, regression, and inferential statistics. So buckle up and hop on for a wild ride. We bet you're going to be challenged AND love it!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
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Subscribe to KhanAcademy: https://www.youtube.com/subscription_center?add_user=khanacademy

Views: 620162
Khan Academy

This video provides a simple example of doing multiple linear regression analysis in R.
Data file: https://drive.google.com/open?id=0B5W8CO0Gb2GGUVNyZ1JqMW1NZjA
Includes,
- developing a linear model
- comparing full and reduced model using ANOVA
- Prediction
- Confidence interval
R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.

Views: 36383
Bharatendra Rai

When we have one numeric dependent variable (target) and one independent variable where a scatterplot shows a linear pattern we can employ simple linear regression (SLR) from the Regression family of techniques.

Views: 28013
Jalayer Academy

( Data Science Training - https://www.edureka.co/data-science )
This Edureka Linear Regression tutorial will help you understand all the basics of linear regression machine learning algorithm along with examples. This tutorial is ideal for both beginners as well as professionals who want to learn or brush up their Data Science concepts. Below are the topics covered in this tutorial:
1) Introduction to Machine Learning
2) What is Regression?
3) Types of Regression
4) Linear Regression Examples
5) Linear Regression Use Cases
6) Demo in R: Real Estate Use Case
Subscribe to our channel to get video updates. Hit the subscribe button above.
Check our complete Data Science playlist here: https://goo.gl/60NJJS
#LinearRegression #Datasciencetutorial #Datasciencecourse #datascience
How it Works?
1. There will be 30 hours of instructor-led interactive online classes, 40 hours of assignments and 20 hours of project
2. We have a 24x7 One-on-One LIVE Technical Support to help you with any problems you might face or any clarifications you may require during the course.
3. You will get Lifetime Access to the recordings in the LMS.
4. At the end of the training you will have to complete the project based on which we will provide you a Verifiable Certificate!
- - - - - - - - - - - - - -
About the Course
Edureka's Data Science course will cover the whole data life cycle ranging from Data Acquisition and Data Storage using R-Hadoop concepts, Applying modelling through R programming using Machine learning algorithms and illustrate impeccable Data Visualization by leveraging on 'R' capabilities.
- - - - - - - - - - - - - -
Why Learn Data Science?
Data Science training certifies you with ‘in demand’ Big Data Technologies to help you grab the top paying Data Science job title with Big Data skills and expertise in R programming, Machine Learning and Hadoop framework.
After the completion of the Data Science course, you should be able to:
1. Gain insight into the 'Roles' played by a Data Scientist
2. Analyse Big Data using R, Hadoop and Machine Learning
3. Understand the Data Analysis Life Cycle
4. Work with different data formats like XML, CSV and SAS, SPSS, etc.
5. Learn tools and techniques for data transformation
6. Understand Data Mining techniques and their implementation
7. Analyse data using machine learning algorithms in R
8. Work with Hadoop Mappers and Reducers to analyze data
9. Implement various Machine Learning Algorithms in Apache Mahout
10. Gain insight into data visualization and optimization techniques
11. Explore the parallel processing feature in R
- - - - - - - - - - - - - -
Who should go for this course?
The course is designed for all those who want to learn machine learning techniques with implementation in R language, and wish to apply these techniques on Big Data. The following professionals can go for this course:
1. Developers aspiring to be a 'Data Scientist'
2. Analytics Managers who are leading a team of analysts
3. SAS/SPSS Professionals looking to gain understanding in Big Data Analytics
4. Business Analysts who want to understand Machine Learning (ML) Techniques
5. Information Architects who want to gain expertise in Predictive Analytics
6. 'R' professionals who want to captivate and analyze Big Data
7. Hadoop Professionals who want to learn R and ML techniques
8. Analysts wanting to understand Data Science methodologies
For more information, Please write back to us at [email protected] or call us at IND: 9606058406 / US: 18338555775 (toll free).
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Customer Reviews:
Gnana Sekhar Vangara, Technology Lead at WellsFargo.com, says, "Edureka Data science course provided me a very good mixture of theoretical and practical training. The training course helped me in all areas that I was previously unclear about, especially concepts like Machine learning and Mahout. The training was very informative and practical. LMS pre recorded sessions and assignmemts were very good as there is a lot of information in them that will help me in my job. The trainer was able to explain difficult to understand subjects in simple terms. Edureka is my teaching GURU now...Thanks EDUREKA and all the best. "

Views: 72741
edureka!

Checking Linear Regression Assumptions in R ;
Dataset: https://bit.ly/2rOfgEJ; Linear Regression Concept and with R: https://bit.ly/2z8fXg1;
More Statistics and R Programming Tutorials: https://goo.gl/4vDQzT;
How to test linear regression assumptions in R?
In this R tutorial, we will first go over some of the concepts for linear regression like how to add a regression line, how to interpret the regression line (predicted or fitted Y value, the mean of Y given X), how to interpret the residuals or errors (the difference between observed Y value and the predicted or fitted Y value) and the assumptions when fitting a linear regression model.
Then we will discuss the regression diagnostic plots in R, the reason for making diagnostic plots, and how to produce these plots in R; You will learn to check the linearity assumption and constant variance (homoscedasticity) for a regression model with residual plots in R and test the assumption of normality in R with QQ (Quantile Quantile) plots. You will also learn to check the constant variance assumption for data with non-constant variance in R, produce and interpret residual plots, QQ plots, and scatterplots for data with non-constant variance, and produce and interpret residual plots, QQ plots, and scatterplots for data with non-linear relationship in R.
►► Download the dataset here:
https://statslectures.com/r-scripts-datasets
►► Watch More:
►Linear Regression Concept and Linear Regression with R Series: https://bit.ly/2z8fXg1
►Simple Linear Regression Concept https://youtu.be/vblX9JVpHE8
►Nonlinearity in Linear Regression https://youtu.be/tOzwEv0PoZk
► R Squared of Coefficient of Determination https://youtu.be/GI8ohuIGjJA
► Linear Regression in R Complete Series https://bit.ly/1iytAtm
■ Table of Content:
0:00:29 Introducing the data used in this video
0:00:49 How to fit a Linear Regression Model in R?
0:01:03 how to produce the summary of the linear regression model in R?
0:01:15 How to add a regression line to the plot in R?
0:01:24 How to interpret the regression line?
0:01:43 How to interpret the residuals or errors?
0:01:53 where to find the Residual Standard Error (Standard Deviation of Residuals) in R
0:02:14 What are the assumptions when fitting a linear regression model and how to check these assumptions
0:03:01 What are the built-in regression diagnostic plots in R and how to produce them
0:03:24 How to use Residual Plot for testing linear regression assumptions in R
0:03:50 How to use QQ-Plot in R to test linear regression assumptions
0:04:33 How to produce multiple plots on one screen in R
0:05:00 How to check constant variance assumption for data with non-constant variance in R
0:05:12 How to produce and interpret a Scatterplot and regression line for data with non-constant variance
0:05:40 How to produce and interpret the Residual plot for data with non-constant variance in R
0:06:02 How to produce and interpret the QQ plot for data with non-constant variance in R
0:06:12 How to produce and interpret a Scatterplot with regression line for data with non-linear relationship in R
0:06:40 How to produce and interpret the Residual plot for a data with non-linear relationship in R
0:06:52 How to produce and interpret the QQ plot for a data with non-linear relationship in R
0:07:02 what is the reason for making diagnostic plots
Follow MarinStatsLectures
Subscribe: https://goo.gl/4vDQzT
website: https://statslectures.com
Facebook:https://goo.gl/qYQavS
Twitter:https://goo.gl/393AQG
Instagram: https://goo.gl/fdPiDn
Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These #RTutorials are created by #marinstatslectures to support a course at The University of British Columbia (#UBC) although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 167060
MarinStatsLectures- R Programming & Statistics

How to use R to calculate multiple linear regression.
http://www.MyBookSucks.Com/R/Multiple_Linear_Regression.R
http://www.MyBookSucks.Com/R
Playlist on on Understanding Multiple Linear Regression Results (Watch videos 2 - 4)
http://www.youtube.com/playlist?list=PLWtoq-EhUJe2Z8wz0jnmrbc6S3IwoUPgL

Views: 64634
statisticsfun

In this video you'll learn the hierarchical representation of Regression Models.
Regression models are primarily classified into 2 categories:
- Univariate
- Multivariate
Univariate Regression model is the simplest form of statistical analysis
Multivariate Regression model is where the response variable is affected by more than one predictor variable.
They can be further classified as Liner and Non-Linear models.
You will also learn about "Simple Linear Regression"
Click Here For More Details: www.simplilearn.com/big-data-and-analytics/business-analytics-foundation-r-tools-training

Views: 5316
Simplilearn

Part 10 of my series about the statistical programming language R! In this video I show how a linear regression line can be added to your data-plot. Also I show how you can add lines to your plot manually. Finally you will learn how to generate normal-distributed random values and a line will be generated that fits those random numbers best.

Views: 186511
Tutorlol

This video is a companion to the StatQuest on Multiple Regression https://youtu.be/zITIFTsivN8 It starts with a simple regression in R and then shows how multiple regression can be used to determine which parameters are the most valuable. If you want the code, you can get it from the StatQuest website, here: https://statquest.org/2017/10/30/statquest-multiple-regression-in-r/
For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/
If you'd like to support StatQuest, please consider a StatQuest t-shirt or sweatshirt...
https://teespring.com/stores/statquest
...or buying one or two of my songs (or go large and get a whole album!)
https://joshuastarmer.bandcamp.com/

Views: 13762
StatQuest with Josh Starmer

Learn about regression and r-squared
Get access to practice questions, written summaries, and homework help on our website!
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If you found this video helpful, please subscribe, share it with your friends and give this video a thumbs up!

Views: 16790
Simple Learning Pro

In this lesson, we learn how to run a categorical regression model in R.

Views: 6653
Shokoufeh Mirzaei

Simple linear regression method is demonstrated in R Studio which is an integrated development environment for R. R Studio is freely available.

Views: 21736
kartikeya bolar

Analytics Free Tutorials - Learn what is Linear Regression, How Linear Regression is applied to solve analytics problems, Learn how Linear Regression is performaed in R.
Learn more about Ivy Professional School's popular Business Analytics certification course at http://ivyproschool.com/our-courses/big-data-and-analytics/

Views: 10946
IvyProSchool

This video gives a quick overview of constructing a multiple regression model using R to estimate vehicles price based on their characteristics. The video focuses on how to employ a method of improving a linear model, and thus its linear equation, by stepwise regression with backward elimination of variables. It will demonstrate the process of building a model by starting with all candidate predictors and eliminating them one by one to optimize the model. The lesson also explains how to guide this optimization process by relying on the measures of model quality, such as R-Squared and Adjusted R-Squared statistics, and how to assess the variables usefulness to the model by judging their p-values, which represent the confidence in their coefficients which are to be used in the linear equation. The final model will be evaluated by calculating the correlation between the predicted and actual vehicle price for both the training and validation data sets. The explanation will be quite informal and will avoid the more complex statistical concepts. Note that a more complex process of building a multiple linear model, with details of variables transformation, checking for their multiple collinearity and extreme values, will be explained in the next lesson.
The data for this lesson can be obtained from the well-known UCI Machine Learning archives:
* https://archive.ics.uci.edu/ml/datasets/automobile
The R source code for this video can be found here (some small discrepancies are possible):
* http://visanalytics.org/youtube-rsrc/r-stats/Demo-D1-Multiple-Reg-Var-Selection.r
Videos in data analytics and data visualization by Jacob Cybulski, visanalytics.org.

Views: 51546
ironfrown

Simple and Multiple Linear Regression in R
https://sites.google.com/site/econometricsacademy/econometrics-models/linear-regression

Views: 28216
econometricsacademy

In this video, we learn how ro run a multiple linear regression model in R.

Views: 1038
Shokoufeh Mirzaei

This tutorial shows how to make a scatterplot in R. We also add a regression line to the graph. We also make a scatterplot with a third variable to add extra insight into our graph.
Thank you for watching this video. Make sure to like the video if you found it helpful and subscribe if you want to see more videos like this one!

Views: 16936
thatRnerd

Hello friends,
It will help in running regression and extracting all the required outputs from the results.

Views: 12044
Sarveshwar Inani

An example on how to calculate R squared typically used in linear regression analysis and least square method.
Like us on: http://www.facebook.com/PartyMoreStudyLess
Link to Playlist on Linear Regression:
http://www.youtube.com/course?list=ECF596A4043DBEAE9C
Link to Playlist on SPSS Multiple Linear Regression:
http://www.youtube.com/playlist?list=PLWtoq-EhUJe2Z8wz0jnmrbc6S3IwoUPgL
Created by David Longstreet, Professor of the Universe, MyBookSucks
http://www.linkedin.com/in/davidlongstreet

Views: 392556
statisticsfun

In this video, I show how to use R to fit a multiple regression model including a two-way interaction term. I show how to produce fitted lines when there is an interaction between two continuous (!) variables.
The code used in this video is:
data(airquality)
names(airquality)
#[1] -Ozone- -Solar.R- -Wind- -Temp- -Month- -Day-
# Produce plots for some explanatory variables
plot(Ozone~Solar.R,airquality)
plot(Ozone~Wind,airquality)
coplot(Ozone~Solar.R|Wind,panel=panel.smooth,airquality)
model2=lm(Ozone~Solar.R*Wind,airquality)
plot(model2)
summary(model2)
termplot(model2)
summary(airquality$Solar.R)
# Min. 1st Qu. Median Mean 3rd Qu. Max. NA's
# 7.0 115.8 205.0 185.9 258.8 334.0 7
summary(airquality$Wind)
Min. 1st Qu. Median Mean 3rd Qu. Max.
1.700 7.400 9.700 9.958 11.500 20.700
Solar1=mean(airquality$Solar.R,na.rm=T)
Solar2=100
Solar3=300
predict(model2,data.frame(Solar.R=100,Wind=10))
p1=predict(model2,data.frame(Solar.R=Solar1,Wind=1:20))
p2=predict(model2,data.frame(Solar.R=Solar2,Wind=1:20))
p3=predict(model2,data.frame(Solar.R=Solar3,Wind=1:20))
plot(Ozone~Wind,airquality)
lines(1:20,p1)
lines(1:20,p2)
lines(1:20,p3)

Views: 100794
Christoph Scherber

In this video, we learn how to setup a simple linear regression model using R

Views: 2159
Shokoufeh Mirzaei

Predictions with the simple/bivariate regression model
-scatterplot
-how to run a simple regression
- ways to obtain predictions
- difference between predictive interval and confidence interval
- prediction and extrapolation

Views: 9302
Phil Chan

R programming for beginners - This video is an introduction to R programming. I have another channel dedicated to R teaching: https://www.youtube.com/c/rprogramming101 In this video I provide a tutorial on some statistical analysis (specifically using the t-test and linear regression). I also demonstrate how to use dplyr and ggplot to do data manipulation and data visualisation. Its R programming for beginners really and is filled with graphics, quantitative analysis and some explanations as to how statistics work. If you’re a statistician, into data science or perhaps someone learning bio-stats and thinking about learning to use R for quantitative analysis, then you’ll find this video useful. Importantly, R is free. If you learn R programming you’ll have it for life.
This video was sponsored by the University of Edinburgh. Find out more about their programmes at http://edin.ac/2pTfis2
This channel focusses on global health and public health - so please consider subscribing if you’re someone wanting to make the world a better place – I’d love to you join this community. I have videos on epidemiology, study design, ethics and many more.

Views: 521658
Global Health with Greg Martin

Fit Multiple Regression Models is an excerpt from, R Programming LiveLessons (Video Training): Fundamentals to Advanced: http://www.informit.com/store/r-programming-livelessons-video-training-fundamentals-9780133743272
16+ Hours of Video Instruction
R Programming: Fundamentals to Advanced is a tour through the most important parts of R, the statistical programming language, from the very basics to complex modeling. It covers reading data, programming basics, visualization. data munging, regression, classification, clustering, modern machine learning and more.
Data scientist, Columbia University adjunct Professor, author and organizer of the New York Open Statistical Programming meetup Jared P. Lander presents the 20 percent of R functionality to accomplish 80 percent of most statistics needs. This video is based on the material in R for Everyoneand is a condensed version of the course Mr. Lander teaches at Columbia. You start with simply installing R and setting up a productive work environment. You then learn the basics of data and programming using these skills to munge and prepare data for analysis. You then learn visualization, modeling and predicting and close with generating reports and websites and building R packages.
Click here for more info and to view a complete table of contents:
http://www.informit.com/store/r-programming-livelessons-video-training-fundamentals-9780133743272

Views: 13783
LiveLessons

Note: Please interpret "Degrees of freedom" to "Confidence level" during the explanation of 'confint' function.
Simple linear regression is quick and easy way to predict the value on one variable based on another variable. In this video I've talked about a real life example where simple linear regression can be useful. And then talked about how you can achieve simple linear regression within R.

Views: 6696
Abhishek Agarrwal

Multiple Linear Regression with Interaction in R: How to include interaction or effect modification in a regression model in R. Free Practice Dataset (LungCapData):(https://bit.ly/2rOfgEJ)
More Statistics & R Programming Videos: https://goo.gl/4vDQzT
►► Like to support us? You can Donate (https://bit.ly/2CWxnP2) or Share our videos with your friends!
In this R video tutorial, we will learn how to include interaction or effect modification in a regression model and how to interpret the model coefficients.
In statistics, an interaction may arise when considering the relationship among three or more variables, and describes a situation in which the effect of one causal variable on an outcome depends on the state of a second causal variable (that is, when effects of the two causes are not additive). Although commonly thought of in terms of causal relationships, the concept of an interaction can also describe non-causal associations. Interactions are often considered in the context of regression analyses or factorial experiments.
These video tutorials are useful for anyone interested in learning data science and statistics with R programming language using RStudio..
► ► Watch More:
► Intro to Statistics Course: https://bit.ly/2SQOxDH
►Data Science with R https://bit.ly/1A1Pixc
►Getting Started with R (Series 1): https://bit.ly/2PkTneg
►Graphs and Descriptive Statistics in R (Series 2): https://bit.ly/2PkTneg
►Probability distributions in R (Series 3): https://bit.ly/2AT3wpI
►Bivariate analysis in R (Series 4): https://bit.ly/2SXvcRi
►Linear Regression in R (Series 5): https://bit.ly/1iytAtm
►ANOVA Concept and with R https://bit.ly/2zBwjgL
►Hypothesis Testing: https://bit.ly/2Ff3J9e
►Linear Regression Concept and with R Lectures https://bit.ly/2z8fXg1
Follow MarinStatsLectures
Subscribe: https://goo.gl/4vDQzT
website: https://statslectures.com
Facebook:https://goo.gl/qYQavS
Twitter:https://goo.gl/393AQG
Instagram: https://goo.gl/fdPiDn
Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These videos are created by #marinstatslectures to support some courses at The University of British Columbia (UBC) (#IntroductoryStatistics and #RVideoTutorials for Health Science Research), although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 83414
MarinStatsLectures- R Programming & Statistics

Multiple Linear Regression Analysis, Evaluating Estimated Linear Regression Function (Looking at a single Independent Variable), basic approach to test relationships, (1) 𝐑^𝟐 Correlation between X (Independent Variable) & Y (Dependent Variable), F-Test, (2) Regression Analysis: If there is a significant relationship between X (Independent Variable) & Y (Dependent Variable), T-Test, (3) Explaining how to calculate the Degrees Of Freedom for the F-Test & T-Test, detailed discussion comparing two different regression equations to see which best predicts the dependent variable by Allen Mursau

Views: 204567
Allen Mursau

Interpreting Interaction in Linear Regression with R: How to interpret interaction or effect modification in a linear regression model, between two factors with example. How to fit an interaction term in a linear regression model in R Video (https://youtu.be/8YuuIsoYqsg); More Statistics & R Programming Videos: https://goo.gl/4vDQzT
►► Like to support us? You can Donate (https://bit.ly/2CWxnP2) or Share our videos with your friends!
In this R video tutorial, we will learn to interpret interaction or effect modification in a linear regression model, between two factors or two categorical variables. This video does not discuss fitting the model using R, but only discusses how interacting variables are interpreted in a regression model. The previous video (Tutorial 5.9) in the series describes how to fit an interaction term in a linear regression model in R (https://youtu.be/8YuuIsoYqsg)
Table of Content:
0:00:16 An introduction to our data that includes one dependent variable and 2 explanatory or independent variables
0:00:43 the visual representation of the data by using a plot
0:01:22 explaining the concept of interaction on the plot with an example
0:02:05 different ways of stating interaction in the data
0:02:25 examining interaction numerically by examining the fitted regression model
0:05:29 examining a model with no interaction
0:06:03 terms for including an interaction term in our model
► ► Watch More:
► Intro to Statistics Course: https://bit.ly/2SQOxDH
►Data Science with R https://bit.ly/1A1Pixc
►Getting Started with R (Series 1): https://bit.ly/2PkTneg
►Graphs and Descriptive Statistics in R (Series 2): https://bit.ly/2PkTneg
►Probability distributions in R (Series 3): https://bit.ly/2AT3wpI
►Bivariate analysis in R (Series 4): https://bit.ly/2SXvcRi
►Linear Regression in R (Series 5): https://bit.ly/1iytAtm
►ANOVA Concept and with R https://bit.ly/2zBwjgL
►Hypothesis Testing: https://bit.ly/2Ff3J9e
►Linear Regression Concept and with R Lectures https://bit.ly/2z8fXg1
Follow MarinStatsLectures
Subscribe: https://goo.gl/4vDQzT
website: https://statslectures.com
Facebook:https://goo.gl/qYQavS
Twitter:https://goo.gl/393AQG
Instagram: https://goo.gl/fdPiDn
Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These videos are created by #marinstatslectures to support some courses at The University of British Columbia (UBC) (#IntroductoryStatistics and #RVideoTutorials for Health Science Research), although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 66184
MarinStatsLectures- R Programming & Statistics

An introduction to multiple regression using the mtcars data frame and then application to improvement of OPS to predict batting performance. We also use multiple regression to determine the value of different types of hits, walks, stolen bases and outs (Linear Weights).

Views: 7214
R at Colby

Including Categorical Variables or Factors in Linear Regression with R, Part I: how to include a categorical variable in a regression model and interpret the model coefficient with example in R. Free Practice Dataset (LungCapData):(https://bit.ly/2rOfgEJ); More Statistics and R Programming Tutorials: (https://goo.gl/4vDQzT)
In this R video tutorial, we will learn to include a categorical variable (a factor or qualitative variable) in a regression model in R. We will also learn to interpret the model coefficients. We will work through an example to learn these concepts step by step.
These video tutorials are useful for anyone interested in learning data science and statistics with R programming language using RStudio..
► ► Watch More:
► Intro to Statistics Course: https://bit.ly/2SQOxDH
►Data Science with R https://bit.ly/1A1Pixc
►Getting Started with R (Series 1): https://bit.ly/2PkTneg
►Graphs and Descriptive Statistics in R (Series 2): https://bit.ly/2PkTneg
►Probability distributions in R (Series 3): https://bit.ly/2AT3wpI
►Bivariate analysis in R (Series 4): https://bit.ly/2SXvcRi
►Linear Regression in R (Series 5): https://bit.ly/1iytAtm
►ANOVA Concept and with R https://bit.ly/2zBwjgL
►Hypothesis Testing: https://bit.ly/2Ff3J9e
►Linear Regression Concept and with R Lectures https://bit.ly/2z8fXg1
Follow MarinStatsLectures
Subscribe: https://goo.gl/4vDQzT
website: https://statslectures.com
Facebook:https://goo.gl/qYQavS
Twitter:https://goo.gl/393AQG
Instagram: https://goo.gl/fdPiDn
Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These videos are created by #marinstatslectures to support some courses at The University of British Columbia (UBC) (#IntroductoryStatistics and #RVideoTutorials for Health Science Research), although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 72953
MarinStatsLectures- R Programming & Statistics

Polynomial Regression in R: How to fit polynomial regression model in R; Free Dataset & R Script (https://goo.gl/tJj5XG); More Statistics and R Programming Tutorials (https://goo.gl/4vDQzT)
►► Like to support us? You can Donate (https://bit.ly/2CWxnP2), Share our Videos, Leave us a Comment and Give us a Thumbs up! Either way We Thank You!
In this R video tutorial we will learn how to fit polynomial regression model and assess polynomial regression models using the partial F-test with R.
Polynomial regression is a form of regression analysis in which the relationship between the independent variable X and the dependent variable Y is modelled as an nth degree polynomial in x. Polynomial regression models are useful when the relationship between the independent variables(X) and the dependent variables(Y) is not linear.
These video tutorials are useful for anyone interested in learning data science and statistics with R programming language using RStudio..
► ► Watch More:
► Intro to Statistics Course: https://bit.ly/2SQOxDH
►Data Science with R https://bit.ly/1A1Pixc
►Getting Started with R (Series 1): https://bit.ly/2PkTneg
►Graphs and Descriptive Statistics in R (Series 2): https://bit.ly/2PkTneg
►Probability distributions in R (Series 3): https://bit.ly/2AT3wpI
►Bivariate analysis in R (Series 4): https://bit.ly/2SXvcRi
►Linear Regression in R (Series 5): https://bit.ly/1iytAtm
►ANOVA Concept and with R https://bit.ly/2zBwjgL
►Hypothesis Testing: https://bit.ly/2Ff3J9e
►Linear Regression Concept and with R Lectures https://bit.ly/2z8fXg1
Follow MarinStatsLectures
Subscribe: https://goo.gl/4vDQzT
website: https://statslectures.com
Facebook:https://goo.gl/qYQavS
Twitter:https://goo.gl/393AQG
Instagram: https://goo.gl/fdPiDn
Our Team:
Content Creator: Mike Marin (B.Sc., MSc.) Senior Instructor at UBC.
Producer and Creative Manager: Ladan Hamadani (B.Sc., BA., MPH)
These videos are created by #marinstatslectures to support some courses at The University of British Columbia (UBC) (#IntroductoryStatistics and #RVideoTutorials for Health Science Research), although we make all videos available to the everyone everywhere for free.
Thanks for watching! Have fun and remember that statistics is almost as beautiful as a unicorn!

Views: 32033
MarinStatsLectures- R Programming & Statistics

In this lesson, we learn how to develop a piecewise linear regression model in R.

Views: 4479
Shokoufeh Mirzaei

In statistical modeling, regression analysis is a statistical process for estimating the relationships among variables. It includes many techniques for modeling and analyzing several variables, when the focus is on the relationship between a dependent variable and one or more independent variables (or 'predictors').
Data Science Certification Training - R Programming: https://www.simplilearn.com/big-data-and-analytics/data-scientist-certification-sas-r-excel-training?utm_campaign=Regression-Data-Science-DtOYBxi4AIE&utm_medium=SC&utm_source=youtube
#datascience #datasciencetutorial #datascienceforbeginners #datasciencewithr #datasciencetutorialforbeginners #datasciencecourse
What are the course objectives?
This course will enable you to:
1. Gain a foundational understanding of business analytics
2. Install R, R-studio, and workspace setup. You will also learn about the various R packages
3. Master the R programming and understand how various statements are executed in R
4. Gain an in-depth understanding of data structure used in R and learn to import/export data in R
5. Define, understand and use the various apply functions and DPLYP functions
6. Understand and use the various graphics in R for data visualization
7. Gain a basic understanding of the various statistical concepts
8. Understand and use hypothesis testing method to drive business decisions
9. Understand and use linear, non-linear regression models, and classification techniques for data analysis
10. Learn and use the various association rules and Apriori algorithm
11. Learn and use clustering methods including K-means, DBSCAN, and hierarchical clustering
Who should take this course?
There is an increasing demand for skilled data scientists across all industries which makes this course suited for participants at all levels of experience. We recommend this Data Science training especially for the following professionals:
IT professionals looking for a career switch into data science and analytics
Software developers looking for a career switch into data science and analytics
Professionals working in data and business analytics
Graduates looking to build a career in analytics and data science
Anyone with a genuine interest in the data science field
Experienced professionals who would like to harness data science in their fields
Who should take this course?
There is an increasing demand for skilled data scientists across all industries which makes this course suited for participants at all levels of experience. We recommend this Data Science training especially for the following professionals:
1. IT professionals looking for a career switch into data science and analytics
2. Software developers looking for a career switch into data science and analytics
3. Professionals working in data and business analytics
4. Graduates looking to build a career in analytics and data science
5. Anyone with a genuine interest in the data science field
6. Experienced professionals who would like to harness data science in their fields
For more updates on courses and tips follow us on:
- Facebook : https://www.facebook.com/Simplilearn
- Twitter: https://twitter.com/simplilearn
Get the android app: http://bit.ly/1WlVo4u
Get the iOS app: http://apple.co/1HIO5J0

Views: 6896
Simplilearn

Linear Regression Analysis, (ANOVA) Analysis Of Variance, R-Squared & F-Test, applying to a regression example, understanding the variance testing between total squared error,
explained squared error & residuals squared which is not explained, explaining how to calculate the degrees of freedom, calculating F test based on R-Squared value, etc., detailed discussion by Allen Mursau

Views: 54875
Allen Mursau

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