Re: [Rd] NAs and weighted.mean

2010-06-24 Thread Martin Maechler
> "RobMcG" == McGehee, Robert > on Wed, 23 Jun 2010 19:38:44 -0400 writes: RobMcG> R-developers, RobMcG> In version R 2.11.0, weighted.mean was changed such that: >> weighted.mean(NA, na.rm=TRUE) RobMcG> [1] 0 RobMcG> rather than NaN as in previous versions of R.

[Rd] NAs and weighted.mean

2010-06-23 Thread McGehee, Robert
R-developers, In version R 2.11.0, weighted.mean was changed such that: > weighted.mean(NA, na.rm=TRUE) [1] 0 rather than NaN as in previous versions of R. I see a note in the NEWS file indicates that weighted.mean was changed "so an infinite value with zero weight does not force an NaN result."