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Add note about C-locale sorting to ?frank #3574

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merged 2 commits into from May 22, 2019
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Add note about C-locale sorting to ?frank #3574

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Closes #2328 -- add a note about C-locale sorting in frank to the man…
MichaelChirico May 20, 2019
e467011
Merge branch 'master' into frank_dox
mattdowle May 22, 2019
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1 change: 1 addition & 0 deletions NEWS.md
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Expand Up @@ -130,6 +130,7 @@

6. New vignette _Using `.SD` for Data Analysis_, a deep dive into use cases for the `.SD` variable to help illuminate this topic which we've found to be a sticking point for beginning and intermediate `data.table` users, [#3412](https://github.com/Rdatatable/data.table/issues/3412).

7. Added a note to `?frank` clarifying that ranking is being done according to C sorting (i.e., like `forder`), [#2328](https://github.com/Rdatatable/data.table/issues/2328). Thanks to @cguill95 for the request.

### Changes in [v1.12.2](https://github.com/Rdatatable/data.table/milestone/14?closed=1) (07 Apr 2019)

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2 changes: 2 additions & 0 deletions man/frank.Rd
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\title{Fast rank}
\description{
Similar to \code{base::rank} but \emph{much faster}. And it accepts vectors, lists, data.frames or data.tables as input. In addition to the \code{ties.method} possibilities provided by \code{base::rank}, it also provides \code{ties.method="dense"}.

Like \code{\link{forder}}, sorting is done in "C-locale"; in particular, this may affect how capital/lowercase letters are ranked. See Details on \code{forder} for more.

\code{bit64::integer64} type is also supported.
}
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