We have released to CRAN a new version of the (recommended)
package Matrix, and of package lme4 yesterday.
Anyone who gets the new version of Matrix *MUST* re-install lme4
-- if (s)he is using lme4 at all. Technical details about that further below.
The fact that yesterday's version number of Matrix is 0.9995875-2,
indicates that Matrix' version is indeed approaching 1.0 (*),
and I'd declare this version as "release candidate" for 1.0.
As a recommended package, Matrix is part of every R distribution,
our aim is to release Matrix_1.0-0 (or higher) with the next
non-patch release of R, i.e., R-2.14.0 somewhere in October.
For this reason, we are asking R useRs, programmeRs and
provideRs, to ``hash at'' the package, trying to find problems /
bugs, badly lacking (or wrong) documentation, etc,
and report it to us (to 'Matrix-authors@...' or possibly R-devel@...),
so we can prepare a shiny sparkling Matrix_1.0-0 in time.
Thank you in advance for such a contribution to the Free
Software universe.
Martin Maechler and Doug Bates
(and Ben Bolker for lme4).
-- -- --
- Why must lme4 be re-installed as well ? [Technical !]
This is because lme4 has a 'LinkingTo: Matrix' in its
DESCRIPTION and indeed, lme4's C code is using part of Matrix' C
code.
The change in Matrix: Part of the C-level interface in Matrix is
now (again, after several years) using the standard CHOLMOD
typedef of UFlong. This means that the C API of Matrix should
behave conformly with what other instances of CHOLMOD export.
(*) For some, it may be amusing to read
https://stat.ethz.ch/pipermail/r-packages/2008/000911.html
which was the last announcement of Matrix on R-packages.
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