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error with predict when newdata is tibble #68

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carlganz opened this Issue Jan 30, 2017 · 0 comments

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@carlganz

carlganz commented Jan 30, 2017

Hello,

When newdata in predict is a tibble there is an error:

library(mboost)
library(tibble)

# example from docs
data("bodyfat", package = "TH.data")

mod <- mboost(DEXfat ~ btree(age) + bols(waistcirc) + bbs(hipcirc),
              data = bodyfat)

predict(mod, as_tibble(bodyfat))
# errors

This line generates the error:

if (!class(newdata) %in% c("list", "data.frame"))

Changing the if statement to if (!any(class(newdata) %in% c("list", "data.frame"))) works in this instance, but I haven't thought about it enough to know if it works in general.

@hofnerb hofnerb closed this in 4859b95 Jan 31, 2017

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