The Essence of Linear Regression!!!

This StatQuest takes you through basic linear regression, step-by-step, explaining both the method and the motivation behind the method. Each step is broken down into easy-to-understand parts so that anyone can develop a deep understanding of how to do and interpret a linear regression. BAM!

If you'd like to support StatQuest, please consider...
Patreon: https://www.patreon.com/statquest
...or...
YouTube Membership: https://www.youtube.com/channel/UCtYLUTtgS3k1Fg4y5tAhLbw/join

...buying a book, a study guide, a t-shirt or hoodie, or a song from the StatQuest store...
https://statquest.org/statquest-store/

...or just donating to StatQuest!
paypal: https://www.paypal.me/statquest
venmo: @JoshStarmer

Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter:
https://twitter.com/joshuastarmer

0:00 Awesome song and introduction
9:45 Quantifying Prediction Accuracy with the Sum of Squared Residuals
14:43 Fitting a Line with Least Squares
17:11 Assessing Predictions with R-Squared
24:29 Assessing Predictions with a p-value
30:03 Putting it all together


#StatQuest