r2_somers {performance} | R Documentation |
Calculates the Somers' Dxy rank correlation for logistic regression models.
r2_somers(model)
model |
A logistic regression model. |
A named vector with the R2 value.
Somers, R. H. (1962). A new asymmetric measure of association for ordinal variables. American Sociological Review. 27 (6).
## Not run: if (require("correlation") && require("Hmisc")) { model <- glm(vs ~ wt + mpg, data = mtcars, family = "binomial") r2_somers(model) } ## End(Not run)