[R] Percentiles in R

Jose Luis Aznarte M. jlaznarte at decsai.ugr.es
Tue Sep 11 20:01:02 CEST 2007


    Ok, of course you were right. As Stefan pointed out, it was a 
problem of the type of the vector: it was a factor and hence the 
quantile was not what expected. Thank you all!!

Jose Luis Aznarte M. escribió:
> Hi there! Still struggling to translate Matlab code into R's tsDyn package.
> Here is my question: Is there in R an equivalent function to Matlab's 
> prctile()? To the moment I thought it was quantile(), but I just 
> realized I was wrong. The definition of the Matlab function:
>
> prctile
> Percentiles of a sample
> SyntaxY = prctile(X,p)
> Description
> Y = prctile(X,p) calculates a value that is greater than p percent of 
> the values in X. The values of p must lie in the interval [0 100]. For 
> instance, if p = 50 then Y is the median of X
>
> Thanks!!
>
>   


-- 
--                                                      --
Jose Luis Aznarte M.       http://decsai.ugr.es/~jlaznarte
Department of Computer Science and Artificial Intelligence
Universidad de Granada           Tel. +34 - 958 - 24 04 67
GRANADA (Spain)                  Fax: +34 - 958 - 24 00 79



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