On 8 August 2006 at 11:40, [EMAIL PROTECTED] wrote:
| I am using Rpy to do a Multiple Linear Regression in R, however, of all the
| coefficients I get from the regression, some of them are 'nan' instead of
being
| a number.
Two quickies:
Did you consider the possibility that your regression problem may not be
properly specified (eg k parameters and n < k observations; or rank(X) < k;
or ...) ?
Did you test that the regression works directly in R, using the same data?
Hope this helps, Dirk
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