Multiple Linear Regression Derivation (MLR) by Matrix Method

Linear regression, multiple linear regression, matrix, inverse, derivation

[@BAMEADManiyar]

Mam at 10:50 I did not understand why? Instead of pre multiplying LHS and RHS by (X'X)^-1 we just did something else i did understand that step

[@varshasengineeringstuff4621]

its derivation. We can apply other steps also

[@BAMEADManiyar]

In 3rd line. We have to pre multiply by inverse.