[R] Help on read in a txt file

From: ss <affysnp_at_gmail.com>
Date: Thu, 24 Apr 2008 20:32:33 -0400


Dear list,

Hello! I had a problem of reading in a txt file and need your help. The txt file, called A, comprises of 592 columns and 34179 rows. I need to note that for some cells of A , A[i,j], are blank.

I used read.table() and got the warning message:

> A<-read.table(file="A.txt",sep="\t")
Warning message:
In scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, :   number of items read is not a multiple of the number of columns
> dim(A)

[1] 33623 592

However, as some rows were missed because the original number of rows is 34179, after read.table(), it was decreased to 33623. I have no idea whether it has anything to do with the warning message.

Do you have any suggestions for this problem?

Thanks much,

        Alex

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