The Math Behind Linear Regression
Channel: Charlie Burrus
Date: 2013-10-13

OPTIONAL VIDEO
Where we find (mathematically) the equation for the LSRL; we prove that the ratio of variance of residuals to variance of response variable is 1 - r^2; and we prove that r (the correlation coefficient) must be between -1 and 1.

Prior Video:  http://youtu.be/sL3P5wBRkZ
Next Video:  http://youtu.be/S1tKBcboRxw