[R] Correction of degrees of freedom in repeated measure aov
garbade at psy.uni-muenchen.de
Thu Jul 19 18:26:38 CEST 2001
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?
P.S.: I read in the lm help page:
singular.ok logical, defaulting to TRUE. FALSE is not yet
but couldn't figure out if this is related to my question.
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