issue loading doBy library

Hi Josh,

Thank you for your feedback, after lot of trial and error the problem is finally solved.

To solve this problem, I tried in this order:

1) uninstalling the two packages "Matrix" and "lme4" and reinstalling them.
2) uninstalling doBy and reinstalling it with and without 1)
3) upgrading to the latest R version and re-doing 1) 2)

And finally 4) wiped all R traces from my Mac OS X 10.7.2 and re-installed the latest version. The latest Matrix version seems to have changed in the meanwhile so I was lucky and now it works.

It seems to me that the whole concept of dependency analysis for installing packages in R is broken ... seems like the packages depend only on the package name and not on the specific versions which is wrong as in this case, chances are that a user will say in this "live lock" where will never find a "happy together" versions of Matrix and lme4 ... but well, you statisticians know better about chances :P
 
Thank you again.
Best regards,
Giovanni

Hi Giovanni,

This is a dependency issue between lme4 and Matrix.  There is
substantial discussion of this on the R sig mixed models list.  A
simple update may fix the problem, or you may need to be a little bit
more precise about getting version of Matrix and lme4 that work with
each other.

HTH,

Josh