score_r2 {auditor} | R Documentation |
The R2 is the coefficient of determination, An R2 coefficient equals 0 means that model explains none of the variability of the response. An R2 coefficient equals 1 means that model explains all the variability of the response.
score_r2(object, data = NULL, y = NULL, ...)
object |
An object of class |
data |
New data that will be used to calculate the score.
Pass |
y |
New y parameter will be used to calculate score. |
... |
Other arguments dependent on the type of score. |
An object of class auditor_score
.
dragons <- DALEX::dragons[1:100, ]
# fit a model
model_lm <- lm(life_length ~ ., data = dragons)
# use DALEX package to wrap up a model into explainer
lm_audit <- audit(model_lm, data = dragons, y = dragons$life_length)
# calculate score with auditor
score_r2(lm_audit)