From the PSY read me pdf:
The first column of data must be a group membership variable with values of 1,2,3...., in that order. (If there is only one group, each row of data must begin with 1 as the value of this group membership variable.) The remaining columns should contain scores on a single dependent variable, one score for each measurement occasion.
From the PSY read me pdf: The first column of data must be a group membership variable with values of 1,2,3...., in that order. (If there is only one group, each row of data must begin with 1 as the value of this group membership variable.) The remaining columns should contain scores on a single dependent variable, one score for each measurement occasion.