View source: R/MetaAnalysisForFamiliesOfExperimentsSR.R
transformHgtoZr | R Documentation |
The functions transforms a vector of Hedges g values to their normal approximation of point bi-serial values.
transformHgtoZr(g, Nc, Nt)
g |
value of Hedges' g |
Nc |
the number of observations (participants) in the first (control) group |
Nt |
the number of observations (participants) in the second (treatment) group |
value of normal approximation of point biserial r
Barbara Kitchenham and Lech Madeyski
transformHgtoZr(0.5, 20, 20)
# [1] 0.2474665
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