On Aug 2, 2011, at 17:10 , Guillaume wrote:
> Hi Peter,
> Thanks for your answer.
> I made a mistake in the script I copied.... sorry !
>
> The description of the object : listX has 3 column, listBy has 4 column, and
So what is the contents of listBy? If they are all factors with 100 levels,
then you're looking at a table with 10^8 entries...
> they have 9000 rows :
>
> print(paste("ncol x ", length((listX))))
> print(paste("ncol By ", length((listBy))))
> print(paste("nrow ", length((listX[[1]]))))
>
> [1];"ncol x 3"
> [1];"ncol By 4"
> [1];"nrow 9083"
>
> It seems the "large" (=4) number of columns in listBy creates the
> troubles...
>
> Thanks,
> Guillaume
>
> --
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>
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--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
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