data frame excerption
Oleg Bartunov wrote:
Hello, is't possible to get excerptions of data frame using some contstraints, something like q1 = q[q$V3<1] ?
Yes, but you have to use the indexing matrix-like (see the manuals): q1 <- q[q$V3 < 1, ] Uwe Ligges
Regards,
Oleg
_____________________________________________________________ Oleg Bartunov, sci.researcher, hostmaster of AstroNet, Sternberg Astronomical Institute, Moscow University (Russia) Internet: oleg at sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(095)939-16-83, +007(095)939-23-83 ______________________________________________ R-help at stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html