In R devel r71157, 'droplevels' documentation, in "Arguments" section, says
this about argument 'exclude'.
passed to factor(); factor levels which should be excluded from the result even
if present. Note that this was implicitly NA in R <= 3.3.1 which did drop NA
levels even when present in x,
Recently, the overview webpage of the development version of Repitools has
vanished. It is still listed in the build report, though. There are also some
strange build errors on Linux.
--
Dario Strbenac
University of Sydney
Camperdown NSW 2050
Australia
> Martin Maechler
> on Fri, 26 Aug 2016 09:31:41 +0200 writes:
> Gregory Werbin
> on Thu, 25 Aug 2016 15:21:05 -0400 writes:
>> I've had a chance to read the source more thoroughly. The chain of
>> events
> Gregory Werbin
> on Thu, 25 Aug 2016 15:21:05 -0400 writes:
> I've had a chance to read the source more thoroughly. The chain of
> events is as follows:
> 1. Local function `plotts()` is defined with argument `cex` that
> defaults to