Thanks to all of you. Dwayne
2010/8/9 David Winsemius <dwinsem...@comcast.net> > > On Aug 9, 2010, at 12:29 PM, Joshua Wiley wrote: > > On Mon, Aug 9, 2010 at 9:26 AM, David Winsemius <dwinsem...@comcast.net> >> wrote: >> >>> >>> On Aug 9, 2010, at 12:14 PM, Joshua Wiley wrote: >>> >>> On Mon, Aug 9, 2010 at 8:51 AM, Dwayne Blind <dwaynebl...@gmail.com> >>>> wrote: >>>> >>>>> >>>>> Dear R users, >>>>> >>>>> I have a basic question. In an "if statement", when several expressions >>>>> have >>>>> to be evaluated, they must be put inside curly braces, right ? >>>>> >>>> >>>> Yes. >>>> >>>> if(1 > 2) {print("hello"); print("world")} >>>> if(4 > 2) {print("hello"); print("world")} >>>> >>> >>> Well, not actually. If they are all on the same line separated by ";"'s >>> the >>> parser should accept. >>> >>> if(TRUE) print("hellooooo"); print("world"); y=3; z=2 >>> y >>> z >>> >> I thought that at first also but look at: >> >> if(FALSE) print("hello"); print("world") >> >> At least on my version of R, hello is not printed but world is. >> > > Sorry for the noise. I misinterpreted the results. > -- > David. > > >> >> >>> -- >>> David. >>> >>>> >>>> >>>>> For example : >>>>> >>>>> if (x>2) { >>>>> >>>>> y=3 >>>>> z=2 >>>>> >>>>> } >>>>> >>>>> >>>>> Thank you very much, >>>>> Dwayne >>>>> >>>>> [[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<http://www.r-project.org/posting-guide.html> >>>>> and provide commented, minimal, self-contained, reproducible code. >>>>> >>>>> >>>> >>>> >>>> -- >>>> Joshua Wiley >>>> Ph.D. Student, Health Psychology >>>> University of California, Los Angeles >>>> http://www.joshuawiley.com/ >>>> >>>> ______________________________________________ >>>> 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<http://www.r-project.org/posting-guide.html> >>>> and provide commented, minimal, self-contained, reproducible code. >>>> >>> >>> David Winsemius, MD >>> West Hartford, CT >>> >>> >>> >> >> >> -- >> Joshua Wiley >> Ph.D. Student, Health Psychology >> University of California, Los Angeles >> http://www.joshuawiley.com/ >> > > David Winsemius, MD > West Hartford, CT > > [[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.