I think you just want &, not &&. try: x <- 1:10 xint <- x[x>=4 & x < 7] xint
At 05:57 PM 9/8/2003 +0200, anne wrote: >Hello > >This is a very newbie question on R syntax, but I do not find the answer.... > >I want to make a selection on an interval say choose Xint in the >interval of temperatures 390-399 > >I tried this syntax >Xint<- X[t>=390 && t< 400] >typing >XintI get the answer numeric(0) > >it did not select any object! 'though I verified that there indeed are >occrencies of X in this interval > > >Any idea? > >thanks > >Anne > >______________________________________________ >[EMAIL PROTECTED] mailing list >https://www.stat.math.ethz.ch/mailman/listinfo/r-help > With best wishes and kind regards I am Sincerely, Corey A. Moffet, Ph.D. Support Scientist University of Idaho Northwest Watershed Research Center 800 Park Blvd, Plaza IV, Suite 105 Boise, ID 83712-7716 Voice: (208) 422-0718 FAX: (208) 334-1502 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
