/usr/lib/R/site-library/BradleyTerry2/NEWS.md is in r-cran-bradleyterry2 1.0-8-1.
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==============================
* fix bug in `qvcalc.BTabilities`
Changes in BradleyTerry2 1.0-7
==============================
Improvements
------------
* new examples of prediction added, including using `predict.BTm` to estimate
abilities with non-player abilities set to non-zero values (for models with
a fixed reference category).
* `qvcalc.BTabilities` moved over from package **qvcalc**.
* package imports rather than depends on **lme4**.
Changes in behaviour
--------------------
* default `level` in `predict.BTm` and `predict.glmmPQL` is 0 if a fixed
effects model has been fitted, 1 otherwise.
Bug fixes
---------
* BTabilities now works (again) for models where the reference category is
not the first player. Players are kept in their original order (levels
of `player1` and `player2`), but the abilities are returned with the
appropriate reference.
* BTabilities now works when ability is modelled by covariates and some
parameters are inestimable (e.g. as in `chameleons.model` on `?chameleons`).
* `predict.BTglmmPQL` now works for models with inestimable parameters
Changes in BradleyTerry2 1.0-6
==============================
Changes in behaviour
--------------------
* `BTabilities` now returns `NA` for unidentified abilities
Bug fixes
---------
* BTabilities now respects contrasts argument and contrasts attributes of
`player1` and `player2` factors. Also handle unidentified coefficients
correctly.
Changes in BradleyTerry2 1.0-5
==============================
Bug fixes
---------
* no longer imports from **gnm**, so **gnm** need not be installed.
Changes in BradleyTerry2 1.0-4
==============================
Bug fixes
---------
* depends on **lme4** (>=1.0).
Changes in BradleyTerry2 1.0-3
==============================
New Features
------------
* updated football data to include full 2011-12 season.
Changes in BradleyTerry2 1.0-2
==============================
New Features
------------
* added football example presented at useR! 2013 with generalised
Davidson model for ties.
Changes in BradleyTerry2 1.0-1
==============================
Bug fixes
---------
* renamed `glmmPQL` object `BTglmmPQL` to avoid conflict with **lme4**
(which loads **MASS**).
* fixed `BTm` so that it is able to find variables when called inside
another function (stackoverflow.com question 14911525).
Changes in BradleyTerry2 1.0-0
==============================
* updated references and CITATION to cite JSS paper on
BradleyTerry2
Changes in BradleyTerry2 0.9-7
==============================
Bug fixes
---------
* fixed `anova.BTmlist` to work for models with random effects
* allow models to be specified with no fixed effects
Improvements
------------
* updated vignette, including example of bias-reduction, a new example
incorporating random effects and a new example on preparing data for use
with package
Changes in BradleyTerry2 0.9-6
==============================
Bug fixes
---------
* fixed `offset` argument to work as documented
* corrected documentation for `citations` data
Improvements
------------
* updated vignette, to provide more explanation of setting up the data
Changes in BradleyTerry2 0.9-5
==============================
* updated contact details
Changes in BradleyTerry2 0.9-4
==============================
New Features
------------
* added ice hockey example presented at useR! 2010
Bug fixes
---------
* `predict.BTm` now works for models with no random effects and handles
new individuals with missing values in predictors.
Changes in BradleyTerry2 0.9-3
=============================
New Features
------------
* added predict method for BTm objects.
Bug fixes
---------
* fixed bug in `BTm.setup` causing problems in finding variables when `BTm`
nested within another function.
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