[R] A question on getting all possible combinations

[Wolfgang Huber]

library("R.utils")
intToBin(0:63)

Best wishes
  Wolfgang

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Wolfgang Huber  EBI/EMBL  Cambridge UK  http://www.ebi.ac.uk/huber


Benilton Carvalho scripsit:
> target = c("u", "d")
> apply(expand.grid(rep(list(target), 6)), 1, paste, sep="", collapse="")
> 
> b
> 
> On Mar 1, 2008, at 9:13 AM, Megh Dal wrote:
> 
>> Hi all,
>>
>> Suppose I have to letters  'u' and 'd'. Now I want to find all 
>> combinations like that :
>>
>> uuuuuu
>> uuuuud
>> uuuudu
>> .........
>> ........
>> dddddd
>>
>> This type of combination generally required for Option Pricing in 
>> financial/derivative market. Here generally 'u' means: up-move and 'd' 
>> means down move of price like Stock price etc.
>>
>> Is there any easy way in R for doing that?
>>
>> Regards,
>>