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2010 Sep 05
1
Warning messages: not meaningful for factors
Dear Experts,
I need to include the repeated structure in our data set object,
recall.sums.df, before using gls function.
Thus I used groupedData.
But I encountered error messages which may mean '*' is not not meaningful
factor.
Please let me know what I have to do.
Thanks,
Jeong
> recall.sums.df[0:10, ]
recall.values recall.ind subj replication hemi region group
1 17.515