Just to clear up this thread, it's plonking. Search for "plonk" in
?":=". I've closed the bug report.
Matthew
On 03/09/13 16:10, statquant3 wrote:
You can get the warning doing this (for example)
R) DT = data.table(a=rep(1L,3))
R) DT
a
1: 1
2: 1
3: 1
R) DT[,a:=1.1]
Message d'avis :
In `[.data.table`(DT, , `:=`(a, 1.1)) :
Coerced 'double' RHS to 'integer' to match the column's type; may have
truncated precision. Either change the target column to 'double' first (by
creating a new 'double' vector length 3 (nrows of entire table) and assign
that; i.e. 'replace' column), or coerce RHS to 'integer' (e.g. 1L,
NA_[real|integer]_, as.*, etc) to make your intent clear and for speed. Or,
set the column type correctly up front when you create the table and stick
to it, please.
--
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