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 rL_GM_T1 1 1 1 1 1
2 18.830 rL_GM_T1 2 1 1 1 1
3 16.477 rL_GM_T1 3 1 1 1 1
4 20.905 rL_GM_T1 4 1 1 1 1
5 18.005 rL_GM_T1 5 1 1 1 1
6 19.533 rL_GM_T1 6 1 1 1 1
7 17.126 rL_GM_T1 7 1 1 1 1
8 19.910 rL_GM_T1 8 1 1 1 1
9 17.881 rL_GM_T1 9 1 1 1 1
10 21.159 rL_GM_T1 10 1 1 1 1
> longs <- groupedData(recall.values~region* hemi* group* replication |
subj, data = recall.sums.df)
Warning messages:
1: In Ops.factor(region, hemi) : * not meaningful for factors
2: In Ops.factor(region * hemi, group) : * not meaningful for factors
3: In Ops.factor(region * hemi * group, replication) :
* not meaningful for factors
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