[R] Correction of degrees of freedom in repeated measure aov

[Sven Garbade]

Hi there,

some statistical programs (e.g. SPSS) calculate a correction of the
degrees of freedom in a repeated measure analysis of variance (see
Greenhouse-Geisser (1958) or Huynh-Feld (1976)) by a factor epsilon.
This factor is used to correct the deg. of freedom to get a corrected
f-test. Is this also possible with R?

Thanks, Sven

P.S.: I read in the lm help page:

	singular.ok    logical, defaulting to TRUE. FALSE is not yet
implemented.

but couldn't figure out if this is related to my question.
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