Hi One has to be careful when using fractions in seq step.
Although it works for 0.5 > (seq(0,10, .5) - round(seq(0,10,.5),2))==0 [1] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE [16] TRUE TRUE TRUE TRUE TRUE TRUE in case of 0.3 (or others) it does not always result in expected values (see FAQ 7.31 for explanation) > (seq(0,10, .3) - round(seq(0,10,.3),2))==0 [1] TRUE TRUE TRUE FALSE TRUE TRUE FALSE TRUE TRUE FALSE TRUE TRUE [13] FALSE TRUE TRUE TRUE TRUE TRUE FALSE TRUE TRUE TRUE TRUE FALSE [25] FALSE TRUE TRUE TRUE TRUE TRUE TRUE FALSE TRUE TRUE > Cheers Petr > -----Original Message----- > From: R-help <r-help-boun...@r-project.org> On Behalf Of Erich Subscriptions > Sent: Friday, October 29, 2021 9:17 AM > To: Catherine Walt <w...@purpleemail.com> > Cc: R mailing list <r-help@r-project.org> > Subject: Re: [R] customize the step value > > seq(1.5,3.5,0.5) > > The docs for seq will show you many more options. > > > On 29.10.2021, at 09:06, Catherine Walt <w...@purpleemail.com> wrote: > > > > dear members, > > > > Sorry I am newbie on R. > > as we saw below: > > > >> 1.5:3.5 > > [1] 1.5 2.5 3.5 > > > > How can I make the step to 0.5? > > I want the result: > > > > 1.5 2.0 2.5 3.0 3.5 > > > > Thanks. > > Cathy > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > 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 -- To UNSUBSCRIBE and more, see > 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 -- To UNSUBSCRIBE and more, see 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.
