View source: R/pipeline_ordinal.R
pipeline_ordinal | R Documentation |
Creates a graph of an ordinal regression pipeline for a regression or classification learner
pipeline_ordinal(learner)
learner |
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Graph
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The resulting graph can used as GraphLearner
library(mlr3) library(mlr3pipelines) task = tsk("winerating") learner = lrn("regr.rpart") graph = ppl("ordinal", learner) glearner = GraphLearner$new(graph, task_type = "ordinal") resampling = rsmp("cv") # explicitly instantiate the resampling for this task for reproduciblity set.seed(123) resampling$instantiate(task) rr = resample(task, glearner, resampling) print(rr) # retrieve performance rr$aggregate(msr("ordinal.ce"))
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