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Re: st: pkcross - labeling error
Ricardo Ovaldia <email@example.com> notices that:
> if the data is organized in "Period" order then you get the correct labeling
> of estimates, whereas if the data is in "treatment" order then the labels
> appear backwards.
As Ricardo points out it is important that the data are arranged in a "Period"
order to obtain the correct estimates of treatment and period effects.
According to the syntax of -pkshape- (see [R] pkshape, p.418, in the Stata 9
Reference Manual) the user should list the variables containing the values of
treatments applied in the corresponding periods, i.e. period1, period2 and so
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