On 08 Jun 2015, at 22:59 , Ben Bolker wrote:
> As a statistical point, I don't understand why you can't just
> do a paired t-test on these data??
It's a cross-over trial, so you need to account for the period effect. However,
a standard way of treating it is by to calculate period differences
knouri yahoo.com> writes:
>
> Dear all:for the folowing data, a two-period, two treatment (A=1 vs. B=2)
> cross-over is fitted
> using the folowing SAS code.
> data one;
[snip]
> run;
> proc mixed data=one method=reml;
> class Sbj Per Trt;
> model PEF = Per Trt /ddfm=kr;
> repeated Trt
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