2009/12/2 Uwe Ligges <lig...@statistik.tu-dortmund.de>:
>
>
> Peng Yu wrote:
>>
>> Suppose I run the following code in the R session. At the last prompt
>> '>', I want to retrieve the second command (staring with 'y'). But I
>> have to type up arrow many times, which is very inconvenient. I'm
>> wondering if there is a way to configure R to skip block of code in
>> the history?
>
> I don't think so, but since you are writing your code in an editor
> (hopefully), it is probably easier to submit the relevant part of the code
> from the editor to R again.
It would be more convenient if there is a way to roll back a block of
code in the history. Could the development team add this feature to
the to-do list?
>>> x=list(a=c(1,2),b=c(3,4,5))
>>> y=list(a=c(1,2),b=c(3,4,5))
>>> lapply(seq(along=x)
>>
>> + ,function(i){
>> + cbind(
>> + x[[i]]
>> + ,y[[i]]
>> + )
>> + }
>> + )
>> [[1]]
>> [,1] [,2]
>> [1,] 1 1
>> [2,] 2 2
>>
>> [[2]]
>> [,1] [,2]
>> [1,] 3 3
>> [2,] 4 4
>> [3,] 5 5
>>
>>
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>> PLEASE do read the posting guide
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>> and provide commented, minimal, self-contained, reproducible code.
>
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