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Apply the inverse logit function to an input

Source: R/utils.R
inv_logit.Rd

inv_logit applies the inverse-logit transformation (expit/ logistic function) to convert a vector of values between -Inf and Inf, to values between 0 and 1. Used to convert the linear predictor of a logistic regression model into a probability.

Usage

inv_logit(x)

Arguments

x

Numeric vector with values between -Inf and Inf.

Value

Numeric vector of probabilities (i.e. values between 0 and 1)

See also

logit

Examples

inv_logit(-2)
#> [1] 0.1192029
inv_logit(c(-2,-1,0,1,2))
#> [1] 0.1192029 0.2689414 0.5000000 0.7310586 0.8807971