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setnames(x, new) fails if somehow anyNA(names(x)) #2475

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franknarf1 opened this issue Nov 10, 2017 · 1 comment
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setnames(x, new) fails if somehow anyNA(names(x)) #2475

franknarf1 opened this issue Nov 10, 2017 · 1 comment
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@franknarf1
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@franknarf1 franknarf1 commented Nov 10, 2017

The data.table interface to names don't seem to support making one NA, but if it does happen, it cannot be fixed with setnames(x, new):

x = setNames(data.frame(a = 1, b = 2), c(NA, "b"))

library(data.table)
setDT(x)
setnames(x, c("a", "b"))
names(x)
# [1] NA  "b"

From user3496254 SO: https://stackoverflow.com/questions/47228836/r-data-table-bug-cannot-rename-column-names-which-are-na

@mattdowle mattdowle added this to the v1.10.6 milestone Nov 13, 2017
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@mattdowle mattdowle commented Nov 13, 2017

Closed by #2477 thanks to @MichaelChirico

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