[R] Descriptive statistics for tables

Berton Gunter gunter.berton at gene.com
Thu Sep 22 18:27:44 CEST 2005

I don't know what a "quadratic, same size" table is or what you mean. If you
do not get a satisfactory reply I suggest:

1. Read and follow the posting guide at the end of this message.

2. In particular, provide a simple, reproducible example to show what you
want to do and perhaps any error messages that you may have received.

-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of DAVID CAMACHO
> Sent: Thursday, September 22, 2005 9:10 AM
> To: r-help at stat.math.ethz.ch
> Subject: [R] Descriptive statistics for tables
> I have a lot (more than one hundred) of files with tables of 
> the same kind (quadratic, same size) and I want to obtain 
> some statistics for every position on them. Therefore, as a 
> result I want another table. I import every table, and create 
> an object read.table for it, then I have try to create a 
> list or a data frame and directly utilize some functions 
> like sd( ) without success, because it calculate sd for the 
> columns . Which kind of object should I create in order to 
> utilize directly this kind of functions?  Should I program it 
> throw for loops?
> David
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