Tom Roche wrote > > summary: how to read a row (not column) from a file into a vector (not a > data frame)? > > details: > > I'm using > > $ lsb_release -ds > Linux Mint Debian Edition > $ uname -rv > 3.0.0-1-amd64 #1 SMP Sun Jul 24 02:24:44 UTC 2011 > $ R --version > R version 2.14.1 (2011-12-22) > > I'm new to R (having previously used it only for graphics), but have > worked in many other languages. I've got a CSV file from which I'd like to > read the values from a single *row* into a vector. E.g., for a file such > that > > $ head -n 2 ~/data/foo.csv | tail -n 1 > 5718,0.3,0.47,0,0,0,0,0,0,0,0,0.08,0.37,0,0,0.83,1.55,0,0,0,0,0,0,0,0,0,0.00,2.48,2.33,0.17,0,0,0,0,0,0,0.00,10.69,0.18,0,0,0,0 > > I'd like to be able to populate a vector 'v' s.t. v[1]=5718, ... v[43]=0 > > I can't seem to do that with, e.g., read.csv(...) or scan(...), both of > which seem column-oriented. What am I missing? > > ______________________________________________ > R-help@ 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. >
Hello, ?readLines If you want the 2nd line it's fast, if you have a large file, cycle through. Rui Barradas -- View this message in context: http://r.789695.n4.nabble.com/newbie-read-row-from-file-into-vector-tp4243952p4244038.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ [email protected] 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.
