Log-odds Transformation

These functions implement the log-odds (or logit) transformation. This is a common transformation for psychometric models that is used to put probabilities on a continuous scale.

Usage

logit(x)

inv_logit(x)

Arguments

x

A number to be transformed

Value

A transformed double

Examples

logit(0.6)
#> [1] 0.4054651
logit(0.5)
#> [1] 0

inv_logit(3.5)
#> [1] 0.9706878
inv_logit(0)
#> [1] 0.5