[Gretl-users] Add cross sectional mean is giving time series mean
I loaded this data into gretl and told that this is time series stacked data. I wanted to
create Y_barj varibale. but the result is different. I expected that 4, 6, 8 are the means
for clusters. Did I do anything wrong here.
unit year y
1 1 2
1 2 4
1 3 6
2 1 3
2 2 6
2 3 9
3 1 4
3 2 8
3 3 12
xm_y
1:1 3
1:2 6
1:3 9
2:1 3
2:2 6
2:3 9
3:1 3
3:2 6
3:3 9