[R] Find the sign
Rainer.Schuermann at gmx.net
Mon Jan 24 19:27:30 CET 2011
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?
> R-help at r-project.org mailing list
> 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 ) )
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