[R] More difficulties in getting data into R

[Liaw, Andy]

This is what I'd try:

col2and4 <- matrix(scan(pipe("cut -d\| -f2,4 cmie_firm_data.text |"), 
                   skip=2), ncol=2, byrow=TRUE)

Andy

> From: Liaw, Andy
> 
> Could it be that you happen you have `#' in `col4'?  Try 
> either (or both):
> 
> 1. read.table(..., comment.char="")
> 2. scan(...)
> 
> HTH,
> Andy
> 
> > From: Ajay Shah
> > 
> > In order to get around the problems of my posting a few 
> minutes ago, I
> > thought:
> > 
> > $ awk -F\| '(NR > 2) {print $2}' cmie_firm_data.text > col2
> > $ awk -F\| '(NR > 2) {print $4}' cmie_firm_data.text > col4
> > $ paste col2 col4 | head -2
> > -510.45 -510.27
> > 60700   101900
> > $ paste col2 col4 | tail -2
> > 28648.12        31617.02
> > 491014.77       494308.52
> > $ wc -l col2 col4
> >   89323 col2
> >   89323 col4
> >  178646 total
> > 
> > So all is well.
> > 
> > But R doesn't like it:
> > 
> > $ R --vanilla < picture.R 
> > 
> > R : Copyright 2004, The R Foundation for Statistical Computing
> > Version 1.9.1  (2004-06-21), ISBN 3-900051-00-3
> > 
> > > col2 <- read.table(file="col2")
> > > col4 <- read.table(file="col4")
> > > print(nrow(col2))
> > [1] 89323
> > > print(nrow(col4))
> > [1] 88746
> > 
> > Why might I be getting 89,323 and 88,746 obs for two files 
> which `wc'
> > believes are each 89,323 lines long?
> > 
> > I checked, and there is no single quote or C-m in either file.
> > 
> > -- 
> > Ajay Shah                                                   
> Consultant
> > ajayshah at mayin.org                      Department of 
> Economic Affairs
> > http://www.mayin.org/ajayshah           Ministry of 
> Finance, New Delhi
> >
> 
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