Hypothesis tests on Multiple linear regression using R | T-test| partial F-test| model comparison
Автор: Data Science with Yan
Загружено: 2021-12-16
Просмотров: 5278
In this video, you will learn Hypothesis tests around multiple linear regression. Part 1 of building different multiple linear regression models is here: • Multiple linear regression model using R |... .
0:00 intro to three kinds of hypothesis tests around MLR
4:35 t-test on individual coefficients
6:36 F-test on model effectiveness
7:28 partial F-test on model comparisons
9:15 partial F-test: check if squared terms should be included
The models in this video are for illustration purposes only. They are not the best models.
The dataset I used in the video: https://github.com/yz-DataScience/R-f...
excel file is easier to be downloaded directly. Make sure you click file-import file- import from excel if you are using the car.xls file.
The car.csv file: https://github.com/yz-DataScience/R-f...
you may click copy raw contents, paste it to excel, and save it as car.csv
The r code with annotations: https://github.com/yz-DataScience/R-f...
Feel free to leave me comments with any questions.
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