Hi,
  I am working on a time course series looking at expression differences
between males and females.  We expect some genes to be sex-differentially
expressed at only some time points, and to show no expression at other time
points (i.e have missing values).  When I use contrasts.fit to do an
ANOVA-like analysis to find genes with sex-differential expression, any gene
like this will not be analyzed.  However, using the aov function in R, these
genes are analyzed.  Is there any way to include these genes so they are
analyzed when using contrasts.fit?

Thanks,
-- 
Matthew Lebo
Molecular and Computational Biology
University of Southern California

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