Jules Reinhart Elkins
> But doesn't that test one group against one other group,
> rather than all
> three together?
No. You can have three groups as defined by a categorical variable.
As far as -anova- is concerned, the three groups have the same
status.
> Is there not a command to generate an
> F-statistic that
> says these are or are not stistically different?
I wouldn't word it in this way, but my answer
remains the same. For what appears to be your
problem, -anova- or -oneway- may be appropriate.
Nick
[email protected]
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