[datatable-help] Convert large matrix directly to data.table

[Matthew Dowle]

Please add a FR to add stringsAsFactors to as.data.table.matrix method,
and may as well capture feature request to port that to C, at the same
time.

In meatime, given M your character matrix :

as.data.table(as.data.frame(M,stringsAsFactors=FALSE))


> Hi Matthew,
>
> First of all thank you for the quick response.  Is there a way to include
> a
> statement like stringsAsFactors into data.table:::as.data.table.matrix?
>
> My 10mil by 20 matrices are of mode character, but the columns shouldn't
> be
> coerced into factors as is the default behaviour....
>
>
>
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