--- Alexander Nervedi <[email protected]> wrote:
>
> table year treatment, c(mean output)
>
> Pre Post
> -----------+------------------------+----------
> Y1 | 26 33 | 99
> Y2| 36 66 | 132
> -----------+------------------------+----------
> Total | 62 99 | 231
>
> provides me a distribution of the mean output across
> two pre-treatment and
> two post-treatment years. is there any way i can get
> a report of chi2 test
> for (Y2 (pre) & Y1 (post)), (Y1(pre) and Y2(post)
> and overall pre-and post?
>
> The objective is see if there were statistically
> disntinguishable
> differences in output across treatment and control
> groups.
>
Your question is confusing. Are these counts? If not,
are you sure you want a chi-square?
Ricardo.
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