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2011 Jun 10
4
Linear multivariate regression with Robust error
Dear all,
i am doing linear regression with robust error to know the effect of
a (x) variable on (y)other if i execute the command i found positive
trend.
But if i check the effect of number of (x.x1,x2,x3)variables
on same (y)variable then the positive effect shwon by x variable turns
to negative. so plz help me in this situation.
Barjesh Kochar
Research scholar