Hi r-help-boun...@r-project.org napsal dne 05.03.2010 13:40:54:
> > I have created a large dataframe (d) by getting data from file using > read.table > > I now have 79 columns and 3 million rows. How can I plot the 6th column? I > tried plot(d[,6]) but it doesn't look right. When I try to do just d[,6] the > console gets some odd "levels" message I don't understand See ?factor You shall check your input process. You probably have imported some or all your data as factors. Try levels(d[,6]) to see if there is some non numeric value in it. >From your second query I suppose you have included heading into your data. I recommend to try to use your read.table with header=TRUE. Regards Petr > > Moon > -- > View this message in context: http://n4.nabble.com/Data-frame-query- > tp1579555p1579555.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 > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ 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.
