This is not a bug, and has nothing to do with times. For example:

 round(1.03,1)
[1] 1

Formatting is not the same as rounding. Perhaps you are assuming R formats numbers according to the concept of significant digits, but it doesn't. See the help page for the format function to get started with understanding R's rules for formatting numbers when it displays them. Maybe also some of the introductory R documents available on CRAN.

-Don


At 3:45 AM +0100 11/20/09, gus1...@optimizelife.com wrote:
Full_Name: Gustavo Lacerda
Version: 2.9.1
OS: Windows
Submission from: (NULL) (137.82.157.97)


I obtained 'time' by subtracting the results of two calls to sys.Time().


 round(time,0)
Time difference of 1 mins
 round(time,1)
Time difference of 1 mins
 round(time,2)
Time difference of 1.03 mins
 round(time,3)
Time difference of 1.032 mins


Note that the second command above should return "1.0 mins", rather than "1
min".

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--
---------------------------------
Don MacQueen
Lawrence Livermore National Laboratory
Livermore, CA, USA
925-423-1062
m...@llnl.gov

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