[Rd] Problem with merge() (PR#1102)
Martin Maechler
Martin Maechler <maechler@stat.math.ethz.ch>
Thu, 27 Sep 2001 18:43:58 +0200
>>>>> "Don" == Don MacQueen <macq@llnl.gov> writes:
Don> I have encountered a problem with merge() that appears to be a bug.
Don> Here's an example to illustrate it.
>> tmp1 <- data.frame(a=letters[1:3],b=LETTERS[2:4],x=1:3)
>> tmpa <- expand.grid(a=letters[1:4],b=LETTERS[1:4])
>> tmpm.1 <- merge(tmpa,tmp1)
>> tmpm.2 <- merge(tmp1,tmpa)
Don> Error in "names<-.default"(*tmp*, value = vnames) :
Don> names attribute must be the same length as the vector
Don> I'm using R 1.3.0, and it occurs on both the Macintosh and Solaris versions.
>> version
Bug confirmed, also for the current version of R (1.3.1) and the
development one.
I'll have a look.
Martin
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