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get_task fails in certain situations for xgboost #114

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bgreenwell opened this issue Dec 13, 2020 · 1 comment

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bgreenwell commented Dec 13, 2020 •

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Seems like it will fail whever an xgboost model is fit without a params argument:

library(pdp)
library(xgboost)

boston <- pdp::boston
X <- data.matrix(subset(boston, select = -cmedv))
y <- boston$cmedv

set.seed(1612)
bst <- xgboost(X, label = y, nrounds = 100, verbose = 0)

partial(bst, pred.var = "chas", train = X)  # will fail
partial(bst, pred.var = "chas", train = X, type = "regression")

Owner Author

bgreenwell commented Jul 6, 2021

Need to check if bst$params$objective is NULL first.

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