inst/doc/model_fit_audit.R

In auditor: Model Audit - Verification, Validation, and Error Analysis

## ----setup, include=FALSE-----------------------------------------------------
knitr::opts_chunk$set(echo = TRUE)
knitr::opts_chunk$set(message = FALSE)
knitr::opts_chunk$set(warning = FALSE)

## -----------------------------------------------------------------------------
data(corn, package = "hnp")
head(corn)

## ----results='hide'-----------------------------------------------------------
set.seed(123)
model_bin <- glm(cbind(y, m - y) ~ extract, family = binomial, data = corn)
bin_exp <- DALEX::explain(model_bin, data = corn, y = corn$y)

## -----------------------------------------------------------------------------
library(auditor)
bin_hnp <- model_halfnormal(bin_exp)

## -----------------------------------------------------------------------------
plot(bin_hnp, sim = 500)
# or
# plot_halfnormal(bin_hnp, sim = 500)

## -----------------------------------------------------------------------------
plot(bin_hnp, quantiles = TRUE)

## ----results='hide'-----------------------------------------------------------
library(randomForest)
iris_rf <- randomForest(Species ~ ., data = iris)
iris_rf_exp <- DALEX::explain(iris_rf, data = iris, y = as.numeric(iris$Species) - 1)
iris_rf_hnp <- model_halfnormal(iris_rf_exp)
plot_halfnormal(iris_rf_hnp)