h2o.auc: Retrieve the AUC

In h2o: R Interface for the 'H2O' Scalable Machine Learning Platform

Retrieve the AUC

Description

Retrieves the AUC value from an H2OBinomialMetrics. If "train", "valid", and "xval" parameters are FALSE (default), then the training AUC value is returned. If more than one parameter is set to TRUE, then a named vector of AUCs are returned, where the names are "train", "valid" or "xval".

Usage

h2o.auc(object, train = FALSE, valid = FALSE, xval = FALSE)

Arguments

object	An H2OBinomialMetrics or H2OMultinomialMetrics object.
train	Retrieve the training AUC
valid	Retrieve the validation AUC
xval	Retrieve the cross-validation AUC

See Also

h2o.giniCoef for the Gini coefficient, h2o.mse for MSE, and h2o.metric for the various threshold metrics. See h2o.performance for creating H2OModelMetrics objects.

Examples

## Not run: 
library(h2o)
h2o.init()

prostate_path <- system.file("extdata", "prostate.csv", package = "h2o")
prostate <- h2o.uploadFile(prostate_path)

prostate[, 2] <- as.factor(prostate[, 2])
model <- h2o.gbm(x = 3:9, y = 2, training_frame = prostate, distribution = "bernoulli")
perf <- h2o.performance(model, prostate)
h2o.auc(perf)

## End(Not run)

h2o documentation built on May 29, 2024, 4:26 a.m.