[EMAIL PROTECTED] (jenny) wrote in message
news:<[EMAIL PROTECTED]>...
> What should I do with the missing values in my data. I ned to perform
> a t test of two samples to test the mean difference between them.
>
> How should I handle them in S-Plus or SAS?
It depends on whether the thing that caused them to be missing
is in any way related to the outcome you measure. If not (say,
with values "missing at random"), then you could just ignore
them - most statistics packages will do that automatically for
you.
Glen
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