[R] To draw observation [m, n] from 20 data frames named frame1, ... , frame20

From: Gaurav Ghosh <gsg134_at_psu.edu>
Date: Mon, 26 May 2008 18:16:36 -0400


Hi all,

I have 20 data frames, named frame1, ... , frame20. Each data frame has the dimension 20x5. I need to build a function that calls out the observation in Row 1, Col 2 from all 20 data frames and places it in a vector of length 20. I have tried the following code:

vect <- rep(0,20)
for(i in 1:20){

    vect[i] <- paste("frame",i,"[1,2]",sep="") }

The vector that results is of the form ("frame1[1,2]", ... , "frame20[1,2]"). Instead, the vector I need has the numerical values that correspond to frame1[1,2], frame2[1,2], ... etc. How should I amend my code?

Thanks,

Gaurav Ghosh

Graduate Student,
Department of Agricultural Economics and Rural Sociology, 311 Armsby Building,
Pennsylvania State University,
University Park, PA 16802
Ph: 814-865-1128

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