I got the following error message after running t2way(y ~ Grup*Time, data
= cp)
Error in x[[grp[i]]] :
attempt to select less than one element in get1index
a part of the data is given below. Your help is highly appreciated.
Greg
> head(cp)
Birey Grup Time y
1 1 1 Cp1 0.7916386
2 1 1 Cp3 1.7463777
3 1 1 Cp7 1.2008390
4 1 1 Cp14 0.6311380
5 1 1 Cp21 2.1563557
6 1 1 Cp28 1.2008390
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