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The following commands in Sabre 3.1 have been deleted in Sabre 4.0:
DROP
This command was previously used in conjunction with LAG in order
to perform a likelihood ratio test on the significance of the lag
parameter. The significance of the lag parameter must now be inferred
from its estimate and standard error.
HELP
The HELP command is considered to be redundant now that the
online user manual is available.
INFO
The INFO command is considered to be redundant since the information is
available on the web site.
LAG
The LAG command has been withdrawn because lagged response
models can be fitted via simple use of a user-defined dummy variable.
MARKOV
Markov models can now be solved using the new and more general DEPEND command.
MONITOR
This command was previously used to determine whether or not
progress of the fitting algorithm was displayed. Monitoring is now
permanently switched on.
ORDINAL
This command has been replaced by ORDERED. The previous method was a
continuation ratio-type generalisation which expanded the ordinal
response dataset into a sequence of binary responses and then fitted
binary models to the resulting dataset. The new method fits genuine
ordered response models, both standard and random effects (ORDINAL
did not do random effects).
POISSON
This command was previously used to specify a Poisson model.
This is now done via the 'FAMILY P' command.
RETURN
This command previously provided compatibility with the GLIM
software package. This is no longer relevant.
UNITS
This command previously provided compatibility with the GLIM
software package. This is no longer relevant.
FIT +
FIT -
LFIT +
LFIT -
The + and - options of the FIT and LFIT commands have been removed. The
list of variates must now be specified in full.
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