[R] Quickstart

[Peter Dalgaard BSA]

Phil Rhoades <philr at mail.austasia.net> writes:

> Hi all,
> 
> I want to replace a couple of (Excel) steps in processing the output of 
> some biological simulations - it should be easy for you guys so I was 
> hoping for a quickstart from someone . .
> 
> I want to read values from a text file - 200 lines, 32 floats per line - 
> and calculate a mean for each of the 32 values, so I would end up with an 
> "x" vector of 1-200 and a "y" vector of the 200 means.

y <- apply(as.matrix(read.table("myfile")), 1, mean)
x <- seq(along=y)

(possibly adding a couple of options to read.table, depending on the
file format)

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._