"Abram Fridman" <[EMAIL PROTECTED]> wrote in message news:<ac15v6$lttec$1@ID-
> Now our statistical guru is telling me that I can throw my results
>
> away because variables are dependant: "If one of the fracture types
>
> goes all the way up, others go all the way down". I told him that
>
> I checked on multicollinearity by computing R^2 for each of
>
> variables described by all other variables as described in
You have not mentioned whether multicollinearity is present.It is good
to calculate the VIF for regressors by first calculating the R^2 from
the regression of one X on all other Xs. If the VIF>5, you have a
problem. the t-tests are no longer relaible.
.
.
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