McFadden's R2 — r2_mcfadden • performance

Calculates McFadden's pseudo R2.

Usage

r2_mcfadden(model, ...)

Arguments

model: Generalized linear or multinomial logit (mlogit) model.
...: Currently not used.

Value

For most models, a list with McFadden's R2 and adjusted McFadden's R2 value. For some models, only McFadden's R2 is available.

References

McFadden, D. (1987). Regression-based specification tests for the multinomial logit model. Journal of econometrics, 34(1-2), 63-82.
McFadden, D. (1973). Conditional logit analysis of qualitative choice behavior.

Examples

if (require("mlogit")) {
  data("Fishing", package = "mlogit")
  Fish <- mlogit.data(Fishing, varying = c(2:9), shape = "wide", choice = "mode")

  model <- mlogit(mode ~ price + catch, data = Fish)
  r2_mcfadden(model)
}
#> Loading required package: mlogit
#> Loading required package: dfidx
#> The tidyverse part of the package is now in the tidydfidx package
#> so that the dfidx package now depends only on a small set of packages
#> McFadden's R2 
#>       0.17823