(This article was first published on R-statistics blog, and kindly contributed to R-bloggers)
Earlier today, Ian Fwllows has announced the release of Deducer 0.4-2 and DeducerExtras 1.2 to CRAN (I copy his announcement here):

Deducer 0.4-2 contains a few bug fixes, and an interface to the iplots package. With the new iplots interface it is now possible to do interactive plots with Deducer. An introductory example screen cast (by Ian) is available on the tube:
DeducerExtras 1.2 contains a few new dialogs including ‘load data from package’, and ‘t-test power’.
Additionally, a new Windows R/JGR/Deducer installer is available which installs R-2.12.0, JGR with it’s launcher, Deducer, DeducerExtras, and DeducerPlugInScaling. It is available on the Deducer website:
http://www.deducer.org/pmwiki/pmwiki.php?n=Main.WindowsInstallation
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