Re: [Rd] invalid comparison in numeric sequence (PR#13551)

From: Peter Dalgaard <P.Dalgaard_at_biostat.ku.dk>
Date: Wed, 25 Feb 2009 11:30:49 +0100

alexandre.courtiol_at_gmail.com wrote:
>
>> 0.6==0.6
> [1] TRUE
>> seq(0,1,0.1)==0.4
> [1] FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE
>> seq(0,1,0.1)==0.6
> [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
>> seq(0,1,0.1)==0.8
> [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE
>
>
> What is wrong with 0.6 ??? (TRUE is missing)
> I tried 3 differents computers (2 Ubuntu with R 2.8.1, and one Mac with R 2.8).

FAQ 7.31, not a bug. Expect about 10 people to tell you so.

-- 
   O__  ---- Peter Dalgaard             Ă˜ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard_at_biostat.ku.dk)              FAX: (+45) 35327907

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