Regression Analysis Y = XB + e

Author:
RV'SMath
Regression Analysis - Y = XB + e , Matrix Form 1) Vectors R(1) R(x) ( Green ) in plane with variables x(j) , B(j) 2) Blue Triangle with Indices Y(i) Hat ; Y (i) ; Y Bar 3) Green Circle Transformed Indices too " Plan " view. 4) Blown up view of the Green Circle 5) Dimensioned Detail of Green Circle ( Blue, Purple, Red ) Dimensions I have pointed out as simple as possible the Relationship between Y hat , Y i , Y bar , & e i