[R] big data file geting truncated

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Wed Aug 13 09:26:31 CEST 2003

Dibakar Ray <dibakar at hub.nic.in> writes:

> I am very new to R. I was trying to load some publicly available Expression
> data in to R.
> I used the following commands
>  mydata<-read.table("dataALLAMLtrain.txt", header=TRUE, sep
> ="\t",row.names=NULL)
> It reads data without any error
> Now if I use
> edit(mydata)
> It shows only 3916 entries, whereas the actual file contains 7129 entries)
> So it seems R is truncating the data. How  can I load the complete file?

First isolate the source. edit() could have a bug, so what is
dim(mydata) ? Does the input file really have 7130 lines?
length(readLines("foobar.txt")) should tell you if you don't have "wc"
on your system.

   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

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