[R] Vector with factors inside lists/tuples

David Winsemius dwinsemius at comcast.net
Sat Jun 25 19:49:24 CEST 2011


On Jun 25, 2011, at 1:33 PM, Håvard Wahl Kongsgård wrote:

> Well, when a think of it using an array would be a simple solution.
> But to what extent are arrays supported by other R functions?

Arrays are well supported by arithmetic, logical and accessor  
functions. Your questions seem very unfocussed. Arrays of factors  
might be a bit difficult since factors in R require preservation of  
attributes which arrays (and matrices) do not allow.

>
> -Håvard
>
> 2011/6/25 Håvard Wahl Kongsgård <haavard.kongsgaard at gmail.com>
>
>> Hi, this seems like a strange question, but in R is there a  
>> function that
>> can handle vectors containing factors inside lists/tuples? Or is  
>> there some
>> other approach/functions I can use?
>> Like for example
>>
>> V1
>> "{"Harry","Brown")"
>> "{"Brown","Harry")"
>>
>> I want to use these variables in a machine learning setting, And  
>> don't want
>> to convert these into multiple vectors, given share number of  
>> factors.
>>
>> --
>> Håvard Wahl Kongsgård
>>
>> http://havard.security-review.net/
>>
>>
>
> 	[[alternative HTML version deleted]]

Still posting html format.

> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
-- 

David Winsemius, MD
West Hartford, CT



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