[R] More difficulties in getting data into R

[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
>