[R] R annoyances

Thomas Lumley tlumley at u.washington.edu
Thu May 19 18:39:13 CEST 2005

On Thu, 19 May 2005, Rod Montgomery wrote:
> Thomas Lumley wrote:
>> This one is actually a FAQ,
>>         mtx[,1,drop=FALSE]
>>     -thomas
> I wonder whether there is, or should be, a way to set FALSE as the default?

There shouldn't be (apart from editing the code), because you really don't 
want something this basic to be unpredictable.

There have been discussions at several times about whether drop=FALSE or 
drop=TRUE should be the default. The decision has always been that 
programmers can cope either way, but that users probably don't expect 
mtx[,1] to be a vector, and that they definitely don't expect mtx[1,1] to be a 


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