[R] Help in using unique count by match function

[R. Michael Weylandt <michael.weylandt@gmail.com>]

I think the OP is looking for the construct length(unique(x)) but not really sure what the rest of the question is. 

Michael 

On Apr 19, 2012, at 2:12 AM, Petr PIKAL <petr.pikal at precheza.cz> wrote:

> Hi
> 
> Your question is rather cryptic. Why the output shall be 3? What has 
> unique count to do with match function?
> 
> Maybe you want something what is described in switch help.
> 
> See
> 
> ?switch
> 
> Regards
> Petr
> 
>> 
>> Hi
>> 
>> My code looks like this
>> 
>> I have two parameters x and par1. X contains values and par1 contains 
> the
>> function which i required to  use
>> 
>> if par1 is max then output should be max(x). 
>> 
>>          FUN <- match.fun(par1)
>>      result=FUN(x)
>> 
>> Is it possible to incorporate the unique count of x within this code
>> 
>> eg
>> 
>> x=("a","b","a","c")  . The output should be 3 
>> 
>> -----
>> Thanks in Advance
>>        Arun
>> --
>> View this message in context: 
> http://r.789695.n4.nabble.com/Help-in-using-
>> unique-count-by-match-function-tp4569859p4569859.html
>> Sent from the R help mailing list archive at Nabble.com.
>> 
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