[R] Don't collapse degenerate array indices

[Sebastian Schubert]

On 19/04/12 15:25, Duncan Murdoch wrote:
> On 19/04/2012 9:14 AM, Sebastian Schubert wrote:
>> Hi,
>>
>> I want to prohibit the automatic collapsing of degenerate array indices:
>>
>> >  str( array(1,dim=c(3,4,5,1,1)) )
>>   num [1:3, 1:4, 1:5, 1, 1] 1 1 1 1 1 1 1 1 1 1 ...
>> >  str( array(1,dim=c(3,4,5,1,1))[2:3,1:3,4:5,,] )
>>   num [1:2, 1:3, 1:2] 1 1 1 1 1 1 1 1 1 1 ...
>>
>> The last command removed the degenerate indices. I don't want that. What
>> can I do?
> 
> Use "drop=FALSE".  See ?"[".

Thanks a lot for the fast help, Duncan and David! Also thanks for the
hint of how to get help for [. I tried ?[ which did not work.

Sebastian



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