Re: [R] Vectorizing loop

From: Rainer M. Krug <RKrug_at_sun.ac.za>
Date: Mon 10 Oct 2005 - 23:12:05 EST

Sorry

runifpoint() and Kest are from the package spatstat

Rainer

Liaw, Andy wrote:

> Not unless we know what runifpoint() and Kest() are.  AFAIK these are not
> part of base R.  If you use functions from add-on packages, please state
> them so as not to leave others guessing.  (This is in the Posting Guide,
> which you were asked to read.)
> 
> Andy
> 
> 

>>From: Rainer M. Krug
>>
>>Hi
>>
>>I have the following loop and would like to vectorize it. Any
>>ideas if
>>it is possible?
>>
>>Thanks,
>>
>>Rainer
>>
>>Tha Loop:
>>
>>for (i in 2:Result$NoSims)
>>{
>> ppp <- runifpoint(Result$NoPlants)
>> K <- Kest(ppp)
>> Result$LSim[i,] <- sqrt(K$iso / pi) - K$r
>> CM <- (Result$LSim[i,] * Result$LSim[i,]) / abs(K$r[2] - K$r[1])
>> Result$SigCM[i] <- sum(CM, na.rm=TRUE)
>> print(i)
>> flush.console()
>>}


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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Mon Oct 10 23:17:48 2005

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