transformHgtoR
The functions transforms a vector of Hedges g values to their equivalent point bi-serial values.
transformHgtoR(g, Nc, Nt)
g
: A vector of Hegdes g values.Nc
: A vector of numbers identifying the number of control condition participants in each groupNt
: A vector of numbers identifying the number of treatment condition participants in each groupvalue of point biserial r
transformHgtoR(0.4, 20, 20) # [1] 0.1961161
Barbara Kitchenham and Lech Madeyski