[R] Percentiles in R

[Jose Luis Aznarte M.]

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!!

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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