This function calculates the number needed to treat
from continuous measures (Cohen's d) using Kraemer and Kupfer
(2006) formula.
Usage
d_to_nnt(d = NULL)
Value
nnt values from d
Arguments
d
the effect size
References
Kraemer H.C., Kupfer D.J. (2006) Size of treatment effects and their
importance to clinical research and practice.
Biolological Psychiatry, 59, 990–996.
https://doi.org/10.1016/j.biopsych.2005.09.014