How To... Calculate the Coefficient of Determination in R #103

Learn how to use a Multiple Linear Regression Model to calculate the Multiple R-Squared (Coefficient of Determination) with @EugeneOLoughlin.

The R script (103_How_To_Code.R) for this video is available to download from Github at:

[khuramrazzaq]

thanks, i have a question how to find from youtube, Facebook, newspapers which has more impact on sales? can we find this from coefficient of determination ?

[anavlg]

can you make a video doing the r squared formula by hand? as your video doing the linear regression. Thank you so much in advance.