Effect size transformations

Source: R/transformations.R

Functions for transforming between different effect size measures.

d2r(d)

d2z(d)

d2logOR(d)

d2OR(d)

r2d(r)

r2z(r)

r2logOR(r)

r2OR(r)

z2r(z)

z2d(z)

z2logOR(z)

z2OR(z)

logOR2r(logOR)

logOR2z(logOR)

logOR2d(logOR)

logOR2OR(logOR)

OR2r(OR)

OR2z(OR)

OR2logOR(OR)

OR2d(OR)

Arguments

d

Cohen's d.

r

correlation coefficient.

z

Fisher's z.

logOR

log(odds ratios).

OR

offs ratios.

Details

All transformations are based on (Borenstein et al. 2011) . In case that a direct transformation is not available, the transformations are chained to provide the effect size of interest.

References

Borenstein M, Hedges LV, Higgins JP, Rothstein HR (2011). Introduction to meta-analysis. John Wiley & Sons.