lg = lgr::get_logger("mlr3") old_threshold = lg$threshold lg$set_threshold("warn") options(warnPartialMatchArgs = TRUE) options(warnPartialMatchAttr = TRUE) options(warnPartialMatchDollar = TRUE) # simulate packages that extend existing task type x = mlr3::mlr_reflections x$task_types = data.table::setkeyv(rbind(x$task_types, x$task_types["regr", mult = "first"][, `:=`(package = "DUMMY", task = "DUMMY")]), "type") x$task_types = data.table::setkeyv(rbind(x$task_types, x$task_types["classif", mult = "first"][, `:=`(package = "DUMMY", task = "DUMMY")]), "type") mlr3::mlr_tasks$add("boston_housing_classic", function(id = "boston_housing_classic") { b = mlr3::as_data_backend(mlr3misc::load_dataset("BostonHousing2", "mlbench")) task = mlr3::TaskRegr$new(id, b, target = "medv", label = "Boston Housing Prices (target leakage, for mlr3pipelines tests only)") b$hash = "mlr3pipelines::mlr_tasks_boston_housing_classic" task }) data.table::setDTthreads(threads = 1)