An updated version of Hmisc is now available from CRAN. The Web site
for Hmisc is http://biostat.mc.vanderbilt.edu/s/Hmisc. The change log
may be found at http://biostat.mc.vanderbilt.edu/changelog/Hmisc.html.
Changes made after 2004-11-24 should be ignored; these will be in the
next version.
The most major change in Hmisc is that thanks to discussions with a
highly respected, persistent, and convincing member of the R community,
Hmisc no longer overrides [.factor to drop unused factor levels by
default upon subsetting. You can get the old behavior at any time by
typing dropUnusedLevels(). A message to that effect appears when you
attach the package. Also Hmisc no longer overrides the interaction
function, as the R builtin version provides the sep argument. In the
next version, the summary.formula function will be updated to
automatically drop unused levels when this is appropriate.
Some other key changes are the addition of bubble plot capability in
xYplot and addition of the capability of csv.get to correct certain date
formatting inconsistencies. sasxport.get now has keep and drop
arguments to restrict attention to a subset of datasets when many
datasets are being imported. Other changes include bug and
documentation fixes.
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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