|Arguments||<prevalence> <recurrence risk ratio>|
Calculate tetrachoric correlation equivalent to given recurrence risk ratio and trait prevalence. This is useful for estimating heritability under the multifactorial threshold model.
# # For a trait with lifetime risk of 5%, a sibling recurrence risk ratio # of 2 corresponds to a MFT heritability of 37% # >> tetrachoric 0.05 2 0.18537521215764666
|<< (proportion)||Up to index||>> (sml)|