What research into this problem did you do that failed to turn up FAQ 7.31?
--=20 Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-devel-boun...@r-project.org [mailto:r-devel-boun...@r- > project.org] On Behalf Of lueth...@student.ethz.ch > Sent: Tuesday, August 04, 2009 8:25 AM > To: r-de...@stat.math.ethz.ch > Cc: r-b...@r-project.org > Subject: [Rd] Accuracy (PR#13867) >=20 > Full_Name: Manuel Luethi > Version: 2.9.1 > OS: Windows XP > Submission from: (NULL) (129.132.128.136) >=20 >=20 > Hi >=20 > I created the following vectors: >=20 > p_1=3Dc(0.2,0.2,0.2,0.2,0.1,0.25,0.4,0.1,0.25,0.4,0.1,0.25,0.4,0.1,0.25,0 > .4,0.2,0.5,0.8,0.2,0.5,0.8,0.2,0.5,0.8,0.2,0.5,0.8) > p_2=3Dc(0,0,0,0,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.4,0.25, > 0.1,0.4,0.25,0.1,0.4,0.25,0.1,0.4,0.25,0.1) >=20 > As these are probabilities, I calculated the remainder as >=20 > p_3=3D1-p_1-p_2 >=20 > There the values which ought to be 0.1 were lateron not recognised by > p_3=3D=3D0.1, > but only if I used p_3 <=3D 0.1. >=20 > The full calculation is actually bigger but the core issue remains: I > used > values input by hand, built a difference and it was wrong. >=20 > I know that exactly the value 0.1 is one that can not be represented > using > binary rep. Maybe that's it, maybe not. Just wanted to let you know. >=20 > With kind regards >=20 > Manuel >=20 > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
