On Monday, January 24, 2011 07:18:03 pm Alaios wrote: > Hello :) > I wanted to right an expression to check when x and y have the same sign > and I wrote the following: > > if ((x<0 && y<0) || (x>0 && y>0)) > > which looks pretty ugly to me. > > Can you please suggest me a better way for that? > > Regards > Alex > > ______________________________________________ > 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. >
if( sign( x ) == sign( y ) ) ______________________________________________ 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.