Dear ASREML friends,
Those who have picked up the latest ASREML (27 Aug 99) will notice that
the 'LogL Converged' message now has an alternative form
'WARNING: LogL Converged; Parameters Not Converged'
Both messages mean that the change in LogL was very small
at the last interation and is therefore presumed to have converged.
The second form points to the fact that a change greater than 1%
occurred to at least one parameter on the final update.
To identify which parameter is still changing and how big the change is,
look in the % column (the second last column) of the variance component
table. At convergence, you expect this column to be all zero.
'Parameters Not Converged' means some are not zero.
You should look at the table and decide whether you want to force ASREML to
do a few more iterations. You can do that by rerunning the
job with -c (or !CONTINUE) to do 2 more iterations.
Or use the new !EXTRA i qualifier (on the data file name line)
to request ASREML to do i more iterations after convergence on the LogL value.
Source Model terms Gamma Component Comp/SE % C
Residual CORRelat 4 0.100000E-02 0.100000E-02 0.00 0 F
Residual CORRelat 4 0.100000E-02 0.100000E-02 0.00 0 F
Residual CORRelat 4 0.100000E-02 0.100000E-02 0.00 0 F
Residual CORRelat 4 0.100000E-02 0.100000E-02 0.00 0 F
Residual CORRelat 4 0.100000E-02 0.100000E-02 0.00 0 F
Residual CORRelat 4 0.100000E-02 0.100000E-02 0.00 0 F
Residual CORRelat 4 15.8457 15.8457 71.49 0 P
Residual CORRelat 4 17.9434 17.9434 62.43 0 P
Residual CORRelat 4 18.4470 18.4470 51.89 0 P
Residual CORRelat 4 19.1084 19.1084 41.95 0 P
pol(ln,0).an identity 1 0.873328 0.873328 2.71 0 U
^
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Arthur Gilmour PhD mailto:Arthur.Gilmour@agric.nsw.gov.au
Senior Research Scientist (Biometrics) fax: <61> 2 6391 3899
NSW Agriculture <61> 2 6391 3922
Orange Agricultural Institute telephone work: <61> 2 6391 3815
Forest Rd, ORANGE, 2800, AUSTRALIA home: <61> 2 6362 0046
ASREML is still free by anonymous ftp from pub/aar on ftp.res.bbsrc.ac.uk
or point your web browser at ftp://ftp.res.bbsrc.ac.uk/pub/aar/
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"Christ Jesus came into the world to save sinners" I Timothy 1:15.
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