[R] Decomposing a List

[(Ted Harding)]

Thanks, Jorge, that seems to work beautifully!
(Now to try to understand why ... but that's for later).
Ted.

On 25-Apr-2013 10:21:29 Jorge I Velez wrote:
> Dear Dr. Harding,
> 
> Try
> 
> sapply(L, "[", 1)
> sapply(L, "[", 2)
> 
> HTH,
> Jorge.-
> 
> 
> 
> On Thu, Apr 25, 2013 at 8:16 PM, Ted Harding <Ted.Harding at wlandres.net>wrote:
> 
>> Greetings!
>> For some reason I am not managing to work out how to do this
>> (in principle) simple task!
>>
>> As a result of applying strsplit() to a vector of character strings,
>> I have a long list L (N elements), where each element is a vector
>> of two character strings, like:
>>
>>   L[1] = c("A1","B1")
>>   L[2] = c("A2","B2")
>>   L[3] = c("A3","B3")
>>   [etc.]
>>
>> >From L, I wish to obtain (as directly as possible, e.g. avoiding
>> a loop) two vectors each of length N where one contains the strings
>> that are first in the pair, and the other contains the strings
>> which are second, i.e. from L (as above) I would want to extract:
>>
>>   V1 = c("A1","A2","A3",...)
>>   V2 = c("B1","B2","B3",...)
>>
>> Suggestions?
>>
>> With thanks,
>> Ted.
>>
>> -------------------------------------------------
>> E-Mail: (Ted Harding) <Ted.Harding at wlandres.net>
>> Date: 25-Apr-2013  Time: 11:16:46
>> This message was sent by XFMail
>>
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>>

-------------------------------------------------
E-Mail: (Ted Harding) <Ted.Harding at wlandres.net>
Date: 25-Apr-2013  Time: 11:31:57
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