plot.training_test_comparison {DALEXtra}

Plot and compare performance of model between training and test set

Description

Function plot.training_test_comparison plots dependency between model performance on test and training dataset based on training_test_comparison object. Green line indicates y = x line.

Usage

## S3 method for class 'training_test_comparison'
plot(x, ...)

Arguments

x

- object created with training_test_comparison function.

...

- other parameters

Value

ggplot object

Examples

library("mlr")
library("DALEXtra")
task <- mlr::makeRegrTask(
 id = "R",
  data = apartments,
   target = "m2.price"
)
 learner_lm <- mlr::makeLearner(
 "regr.lm"
)
model_lm <- mlr::train(learner_lm, task)
explainer_lm <- explain_mlr(model_lm, apartmentsTest, apartmentsTest$m2.price, label = "LM")

learner_rf <- mlr::makeLearner(
"regr.ranger"
)
model_rf <- mlr::train(learner_rf, task)
explainer_rf <- explain_mlr(model_rf, apartmentsTest, apartmentsTest$m2.price, label = "RF")

learner_gbm <- mlr::makeLearner(
"regr.gbm"
)
model_gbm <- mlr::train(learner_gbm, task)
explainer_gbm <- explain_mlr(model_gbm, apartmentsTest, apartmentsTest$m2.price, label = "GBM")

data <- training_test_comparison(explainer_lm, list(explainer_gbm, explainer_rf),
                                 training_data = apartments,
                                 training_y = apartments$m2.price)
plot(data)