View source: R/convert_between_anova.R
eta2_to_f2 | R Documentation |
Convert Between ANOVA Effect Sizes
eta2_to_f2(es)
eta2_to_f(es)
f2_to_eta2(f2)
f_to_eta2(f)
es |
Any measure of variance explained such as Eta-, Epsilon-, Omega-, or R-Squared, partial or otherwise. See details. |
f , f2 |
Cohen's f or f-squared. |
Any measure of variance explained can be converted to a corresponding Cohen's
f via:
f^2 = \frac{\eta^2}{1 - \eta^2}
\eta^2 = \frac{f^2}{1 + f^2}
If a partial Eta-Squared is used, the resulting Cohen's f is a
partial-Cohen's f; If a less biased estimate of variance explained is used
(such as Epsilon- or Omega-Squared), the resulting Cohen's f is likewise a
less biased estimate of Cohen's f.
Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd Ed.). New York: Routledge.
Steiger, J. H. (2004). Beyond the F test: Effect size confidence intervals and tests of close fit in the analysis of variance and contrast analysis. Psychological Methods, 9, 164-182.
eta_squared()
for more details.
Other convert between effect sizes:
d_to_r()
,
diff_to_cles
,
odds_to_probs()
,
oddsratio_to_riskratio()
,
w_to_fei()
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