faq 7.31 --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
Victor hyk <victor_...@yahoo.ca> wrote: >Hello everyone, >��������� I have a basic question regarding logical operators. >> x<-seq(-1,1,by=0.02) >> x >� [1] -1.00 -0.98 -0.96 -0.94 -0.92 -0.90 -0.88 -0.86 -0.84 -0.82 -0.80 >-0.78 >�[13] -0.76 -0.74 -0.72 -0.70 -0.68 -0.66 -0.64 -0.62 -0.60 -0.58 -0.56 >-0.54 >�[25] -0.52 -0.50 -0.48 -0.46 -0.44 -0.42 -0.40 -0.38 -0.36 -0.34 -0.32 >-0.30 >�[37] -0.28 -0.26 -0.24 -0.22 -0.20 -0.18 -0.16 -0.14 -0.12 -0.10 -0.08 >-0.06 >�[49] -0.04 -0.02� 0.00� 0.02� 0.04� 0.06� 0.08� 0.10� 0.12� 0.14� >0.16� 0.18 >�[61]� 0.20� 0.22� 0.24� 0.26� 0.28� 0.30� 0.32� 0.34� 0.36� 0.38� >0.40� 0.42 >�[73]� 0.44� 0.46� 0.48� 0.50� 0.52� 0.54� 0.56� 0.58� 0.60� 0.62� >0.64� 0.66 >�[85]� 0.68� 0.70� 0.72� 0.74� 0.76� 0.78� 0.80� 0.82� 0.84� 0.86� >0.88� 0.90 >�[97]� 0.92� 0.94� 0.96� 0.98� 1.00 >> x[x<=0.02] >�[1] -1.00 -0.98 -0.96 -0.94 -0.92 -0.90 -0.88 -0.86 -0.84 -0.82 -0.80 >-0.78 >[13] -0.76 -0.74 -0.72 -0.70 -0.68 -0.66 -0.64 -0.62 -0.60 -0.58 -0.56 >-0.54 >[25] -0.52 -0.50 -0.48 -0.46 -0.44 -0.42 -0.40 -0.38 -0.36 -0.34 -0.32 >-0.30 >[37] -0.28 -0.26 -0.24 -0.22 -0.20 -0.18 -0.16 -0.14 -0.12 -0.10 -0.08 >-0.06 >[49] -0.04 -0.02� 0.00 >> x[x<0.2] >�[1] -1.00 -0.98 -0.96 -0.94 -0.92 -0.90 -0.88 -0.86 -0.84 -0.82 -0.80 >-0.78 >[13] -0.76 -0.74 -0.72 -0.70 -0.68 -0.66 -0.64 -0.62 -0.60 -0.58 -0.56 >-0.54 >[25] -0.52 -0.50 -0.48 -0.46 -0.44 -0.42 -0.40 -0.38 -0.36 -0.34 -0.32 >-0.30 >[37] -0.28 -0.26 -0.24 -0.22 -0.20 -0.18 -0.16 -0.14 -0.12 -0.10 -0.08 >-0.06 >[49] -0.04 -0.02� 0.00� 0.02� 0.04� 0.06� 0.08� 0.10� 0.12� 0.14� 0.16� >0.18 >[61]� 0.20 >> >���� Why does "x[x<=0.02]" return� no 0.02 but "x[x<0.2]" return a >subsample with 0.02? >���� Anyone who can tell me why? >���� Thanks! > >���� Victor > > [[alternative HTML version deleted]] > > > >------------------------------------------------------------------------ > >______________________________________________ >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.