Conversion from Eta-squared to Cohen's f

Conversion from Eta-squared to Cohen's f

Usage

etasq.to.f(eta.squared, verbose = 1)

Arguments

eta.squared

(Partial) Eta-squared.

verbose

1 by default (returns test, hypotheses, and results), if 2 a more detailed output is given (plus key parameters and definitions), if 0 no output is printed on the console.

Value

f

Cohen's f.

f.squared

Cohen's f².

eta.squared

(Partial) Eta-squared.

References

Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Lawrence Erlbaum Associates.

Examples

etasq.to.f(eta.squared = 0.01) # small
#>   f.squared           f eta.squared 
#>  0.01010101  0.10050378  0.01000000 
etasq.to.f(eta.squared = 0.06) # medium
#>   f.squared           f eta.squared 
#>  0.06382979  0.25264558  0.06000000 
etasq.to.f(eta.squared = 0.14) # large
#>   f.squared           f eta.squared 
#>   0.1627907   0.4034733   0.1400000