That sort of name is allowed but not advised because it can lead to confusion in certain non-standard evaluation functions like subset(). If you really want the name like that add the check.names = FALSE argument to read.table()
Michael Weylandt On Jan 10, 2012, at 5:57 PM, Anna Olofsson <anol2...@student.su.se> wrote: > Thank you! The c was missing. I don't know if it's ok to continue on this > thread, but I also had another question about reading data. I have this > file containing 3 columns and 19 rows. > > 0 0.96 0.21 > 0 0.45 0.4 > 0 0.87 0.1 > 0 0.56 0.04 > 0 0.57 0.04 > 0 0.2 0.7 > 0 0.45 0.43 > 0 0.35 0.21 > 0 0.75 0.56 > 1 0.63 0.43 > 1 0.95 0.32 > 1 0.42 0.2 > 1 0.12 0.05 > 1 0.56 0.06 > 1 0.34 0.3 > 1 0.1 0.7 > 1 0.11 0.75 > 1 0.2 0.21 > 1 0.95 0.37 > > I tried to read it into R, but I'm not exactly sure exactly what to use as > input. This is my input line using read.table: > > data1 <- read.table(file = "filename.txt", header=FALSE, col.names = > c("class", "P", "1G")) > > but in the output I get an X infront of "1G", which disappears when I run > it with the name 'G' instead of '1G'. Am I not allowed to use numerical > values? > > Best, > Anna > > > > > On Tue, 10 Jan 2012 23:02:04 +0100, Anna Olofsson <anol2...@student.su.se> > wrote: >> Hi, >> I'm pretty new at programming and with the R language. I'm just trying > to >> get familiar with R and wrote a script in gedit (should I use emacs >> instead?), >> >> x <- [10.4 5.6 3.1 6.4 21.7] >> y <- [12,5.6, 7.2, 1.0, 9.3] >> plot(x,y) >> >> then I went to the command window in the terminal (I'm using unix) to > run >> this with source("name_of_file"), but it doesn't work. Shouldn't a plot >> come up automatically when I run it? What am I doing wrong? It knows > what x >> and y is, but I don't get an error of what might be wrong. >> >>> source("name_of_file") >>> x >> [1] 10.4 5.6 3.1 6.4 21.7 >> >> >> Best, >> Anna > > ______________________________________________ > 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.