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Expose setlevels() and document #2219

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mattdowle opened this issue Jun 27, 2017 · 0 comments
Open

Expose setlevels() and document #2219

mattdowle opened this issue Jun 27, 2017 · 0 comments
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feature request top request One of our most-requested issues

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@mattdowle
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mattdowle commented Jun 27, 2017 •
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setlevels() appears to exist at C level already but isn't exposed to users.
The advantage of setlevels() rather than users using setattr() is that setlevels() can perform error and warning checks; e.g. that the levels are type character containing no duplicates.
Requested in comments here: https://stackoverflow.com/a/14635190/403310
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Setlevels Rdatatable/data.table
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@mattdowle @jangorecki @MichaelChirico