I am with Michael. It is almost impossible to figure out what you are trying.
However, I assume, like Michael, that you regress y on x2 and find, say, a
negative effect. But when you regress y on x1 and x2, then you find a
positive effect of x2. The short answer to your question is that in this
cas
> Date: Fri, 10 Jun 2011 09:53:20 +0530
> From: bkkoc...@gmail.com
> To: r-help@r-project.org
> Subject: [R] Linear multivariate regression with Robust error
>
> Dear all,
>
> i am doing linear regression with robust err
On 6/10/2011 12:23 AM, Barjesh Kochar wrote:
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 the
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
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