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Can the importance_pvalues (https://rdrr.io/cran/ranger/man/importance_pvalues.html) command be used via mlr3? In other words, can I indicate that I would like the p-values outputted in my call to the learner? If not, how would I go about extracting the ranger object to use as input for the importance_pvalues command?

DeLuca Lab
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1 Answers1

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You can always access the stored model via the $model field in mlr3.

library(mlr3verse)
library(ranger)

learner = lrn("classif.ranger", importance = "impurity_corrected")
learner$train(tsk("sonar"))

importance_pvalues(learner$model)
be-marc
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