# Estimate proportion of variance of liability explained by SNP in general population

Source:`R/add_rsq.r`

`get_r_from_lor.Rd`

This uses equation 10 in Lee et al. A Better Coefficient of Determination for Genetic Profile Analysis. Genetic Epidemiology 36: 214–224 (2012) doi:10.1002/gepi.21614 .

## Arguments

- lor
Vector of Log odds ratio.

- af
Vector of allele frequencies.

- ncase
Vector of Number of cases.

- ncontrol
Vector of Number of controls.

- prevalence
Vector of Disease prevalence in the population.

- model
Is the effect size estimated from the

`"logit"`

(default) or`"probit"`

model.- correction
Scale the estimated r by correction value. The default is

`FALSE`

.