Re: [R] Comparing decimal numbers

2011-02-01 Thread Stephan Kolassa
Hi, this is R FAQ 7.31. http://cran.r-project.org/doc/FAQ/R-FAQ.html HTH, Stephan Am 01.02.2011 14:49, schrieb mlancee: Hi, I have a seemingly easy question that has been keeping be busy for quite a while. The problem is the following: 0.1 + 0.1 + 0.1 == 0.3 [1] FALSE Why is this false? A

Re: [R] Comparing decimal numbers

2011-02-01 Thread Petr Savicky
On Tue, Feb 01, 2011 at 05:49:10AM -0800, mlancee wrote: > > Hi, > > I have a seemingly easy question that has been keeping be busy for quite a > while. The problem is the following: > > 0.1 + 0.1 + 0.1 == 0.3 > [1] FALSE > > Why is this false? Another example is > > 0.2 + 0.1 == 0.3 > [1] FAL

Re: [R] Comparing decimal numbers

2011-02-01 Thread mlancee
Thanks a lot! -- View this message in context: http://r.789695.n4.nabble.com/Comparing-decimal-numbers-tp3251437p3251804.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/li

Re: [R] Comparing decimal numbers

2011-02-01 Thread Eik Vettorazzi
Hi Michael, this is R-FAQ 7.31 http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f cheers. Am 01.02.2011 14:49, schrieb mlancee: > > Hi, > > I have a seemingly easy question that has been keeping be busy for quite a > while. The problem is the follo

[R] Comparing decimal numbers

2011-02-01 Thread mlancee
Hi, I have a seemingly easy question that has been keeping be busy for quite a while. The problem is the following: 0.1 + 0.1 + 0.1 == 0.3 [1] FALSE Why is this false? Another example is 0.2 + 0.1 == 0.3 [1] FALSE or 0.25 + 0.05 == 0.20 + 0.10 [1] FALSE However, I do get TRUE if I use integ