In some cases the missing values have been replaced by NAs so you can look for those.
On Thu, Apr 30, 2009 at 9:28 AM, tedzzx <zengzhenx...@gmail.com> wrote: > > Dear R users > I am runing into a problem in reading data in R > This is the error information > > a<-read.table("tt_mb_200409.txt",as.is=T) > Error in scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, > : > line 1653997 did not have 5 elements > > It seams that some lines don't have equal variables. I want to try > > > a<-read.table("tt_mb_200409.txt",as.is=T,fill=T) > > a[1653997,] > V1 V2 V3 V4 V5 > 1653997 00992 2777010 > > But, I want to delect the rows that do not have the same number of > variables > with others, how can I do this? > > Many thanks > > Ted > > > -- > View this message in context: > http://www.nabble.com/problem-in-reading-data-tp23316321p23316321.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.