A new release of the conf.design package has been submitted to CRAN.

This is largely a "tidying up" release, with no substantial change in
functionality.  The one difference some users may notice is that the method
functions

factorize.default
factorize.factor

are no longer exported directly, but instead are simply registered as S3
methods in the namespace.   This change should not affect any code which
uses the generic function factorize() as it should have been used.

On the other hand, users who have made direct use of the method functions
may need to adjust their code.  (Future changes are planned for this
function, so 'triple colon' qualification is inadvisable.)

The objects produced by conf.design and others no longer carry the
redundant "design" class, which was a hangover from the original S-PLUS
code.  Such objects are now of class "data.frame" only.  Again, since the
class "design" had no constructor or methods for it (in R), this
simplification should not cause any material difference to the
functionality.

The primes() function is now much faster, but still uses the same algorithm.

-- 
Bill Venables,
Post-retirement Research Fellow,
CSIRO, Ecosciences Precinct,
41 Boggo Road,
Dutton Park, Qld, 4102
Australia.

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