Yup - upgrade to v1.9.3
Consequences of ignoring the warning may be severe and R itself has now
changed from warning to error.
From README.md :
The warning "internal TRUE value has been modified" with recently
released R 3.1 when grouping a table containing a logical column and
where all groups are just 1 row is now fixed and tests added. Thanks to
James Sams for the reproducible example. The warning is issued by R and
we have asked if it can be upgraded to error (UPDATE: change now made
for R 3.1.1 thanks to Luke Tierney).
Matt
On 04.07.2014 12:36, Juan Manuel Truppia wrote:
Hi, I've read the previous thread on this issue (May 1).
I'm on R 3.1 and data.table 1.9.2 and I'm getting this issue.
Is this expected on this environment? The only way to avoid it is to
upgrade to 1.9.3 in github? What are the consequences of ignoring the
warning?
Regards
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