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

[@khuramrazzaq2388]

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.

[@EugeneOLoughlin]

Hi, I hope this is what you need? kzbin.info/www/bejne/aISmmGuBqs1jqqc Dr E.