autoplot.BenchmarkAggrfor CD-plots, previously bars were overlapping and giving misleading results.
BenchmarkAggris now more flexible in construction. Instead of being forced to name columns
learner_id, instead any name can be used if passed to the respective arguments in the constructor.
$subsetpublic method to
BenchmarkAggras a thin wrapper around
data.table. Returns subsetted data.table.