[R] Bug in boxplot.stats?

[Trenkler, Dietrich]

Is this a bug?


>"xx" <- c(50, 79, 120, 78, 90, 100, 78, 80,
+ 90, 80, 60, 39, 90, 85, 140, 100, 80, 80)
> boxplot.stats(xx)$stats
[1]  60  78  80  90 100
> boxplot.stats(0.1*xx)$stats
[1]  7.8  7.8  8.0  9.0 10.0

I suppose  the way the numbers in 0.1*xx are internally stored may
cause this problem:

> formatC(0.1*xx[2],format="f",digits=16)
[1] "7.9000000000000004"

Version:
 platform = i386-pc-mingw32
 arch = x86
 os = Win32
 system = x86, Win32
 status =
 major = 1
 minor = 3.1
 year = 2001
 month = 08
 day = 31
 language = R

Windows NT 4.0 (build 1381) Service Pack 6                         

   --- D.Trenkler ---

****************************************************************************
*****
   Dr. Dietrich Trenkler        (dtrenkler at nts6.oec.uni-osnabrueck.de)      
   Statistik / Empirische Wirtschaftsforschung
   Universitaet Osnabrueck
   Rolandstrasse 8                                Phone: +49(0) 541-969-2753
   D-49069 Osnabrueck                          Fax  : +49(0) 541-969-2744
   GERMANY
****************************************************************************
*****



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