[R] Some problem in opening connection with" .dat" extention file in matrix(scan) function of R 2.5

jim holtman jholtman at gmail.com
Thu Nov 1 13:20:31 CET 2007


I would assume that the file that you are trying to read is not in the
current directory your program is in.  Do 'list.files()' to see what
is in the current directory.  Also use 'setwd' to get you to the
directory you should be in.

On 11/1/07, adilshah at stat.qau.edu.pk <adilshah at stat.qau.edu.pk> wrote:
> Dear helpers please provide me some helpful answer to my problem while I m
> trying to run a program .I m attaching both the program and the data to
> which I have to obtain my estimation results.
> "Motives.dat" is the data file, and "OBTfile4.3" is the complete code of
> program. by Running this
>  //
> rawdata<-matrix(scan(inputFile, n = nsubj*ncomp), nsubj, ncomp, byrow = TRUE)
>  \\
> The error appears to be
> //
> Error in file(file, "r") : unable to open connection
> In addition: Warning message:
> cannot open file 'motives_pc.dat', reason 'No such file or directory' in:
> file(file, "r")
> \\
> where # name of preferences data file is assigned as,
>       inputFile <- "motives_pc.dat
> Thanking Regards
>
> SYED ADIL HUSSAIN (+923455205402)
> QUAID-E-AZAM UNIVERSITY
> ISLAMABAD, PAKISTAN.
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?



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