Multiple Regression
q
If we want to regress
y
with more than one variables (
x
1
, x
2
, x
3
,…..x
n
):
q
After perform the least-square fit and remove means from all variables:
q
Solve the following matrix to obtain the regression coefficients:
a
1
, a
2
,
a
3
, a
4
,….., a
n
: