MuMIn package news:

Version: 1.9.13 (2013-10-28)
fixed: handling response variables with more than two levels in 'nnet::multinom'
	models. (reported by L. Duvaux on Stackoverflow)

Version: 1.9.12 (2013-10-21)
further adjustments to deal with unavailability of 'lme4' on CRAN.

Version: 1.9.11 (2013-09-30)
Documentation: examples that depend on suggested packages have been made 
	conditional on availability of the package.
getCall method for 'model.selection' can retrieve a component model call if 
	index is given as a second argument.

Version: 1.9.10 (2013-08-27)
pdredge: removed global assignments (within cluster nodes)

Version: 1.9.9 (2013-05-21)
(fixed) beta.weights: bug with dimensions dropped (thanks to D. Duro for 
	spotting it and B. Bolker for tracking it down)

Version: 1.9.8 (2013-05-02)
(fixed) handling bar in formulas for 'hurdle' class of models (reported by J.Y. 
	Barnagaud)

Version: 1.9.7 (2013-04-19)
dredge: 'subset' expression now recognizes ".(x)" notation to indicate a variable 
	rather than a model term. Error message from within a 'rank' function gives 
	now a more meaningfull call (apparently it is a common mistake to have some 
	misspeled arguments that get passed to 'rank' function through '...')

Version: 1.9.6 (2013-04-12)
model.sel: better model naming in the result table.
(fixed) logLik.coxme: 'nobs' attribute now uses a correct number of observations 
	(model$n[2]). "penalized" log-lik. is the default type now (Note that 
	"logLik.coxme"'s argument "type" is undocumented).

Version: 1.9.5 (2013-04-04)
(fixed) AICc: now takes number of observations from "nall" (if it is available)
	attribute of the 'logLik' object. If not present, "nobs" attribute is used.
r.squaredGLMM: current implementation does not calculate the marginal variant
	correctly for Poisson family models, so until it is resolved 'NA' is
	returned, with a warning.
	
Version: 1.9.4 (2013-04-01)
(fixed) pdredge: bug with wrong number of updated rows.
Replaced all calls to the soon-to-be deprecated ".find.package" with
	"find.package".

Version: 1.9.3 (2013-02-21)
(fixed) method registration for 'getAllTerms.gam' was missing (reported by 
	Steven Delean).

Version: 1.9.2 (2013-02-01)
updateable: new function to create a wrapper for functions returning
	non-updateable objects (adds a 'call' element to the function's result).
(renamed) removed 'gamm' wrapper, which is now replaced by 'uGamm'.
(added) 'predict' method replacement for 'gls' models (adds 'se.fit' argument).
model.avg: no longer returns residuals (this is because residuals for models
	other than 'lm' can be calculated in several different ways - with different
	results).

Version: 1.9.1 (2013-01-24)
(fixed) bugs with 'MCMCglmm' models and 'varying' lists in 'dredge'.

Version: 1.9.0 (2013-01-23)
This version brings in more elaborated subsetting of models in 'dredge' and 
	'model.selection' object, and a new variant of pseudo-R^2. 
[p]dredge: 'subset' can use 'varying' variables (as "V(varying.variable)") and
	number of model terms (as `*nvar*`). This allows for better fine-tuning of
	the selection table.
	'fixed' argument can be set to TRUE to fix all terms of 'global.model'.
[p]dredge, subset.model.selection: 'subset' expressions can now make use of a 
	new function 'dc' ("dependency chain") to make inclusion of variables 
	conditional on other variables.
r.squaredGLMM: new function to calculate R^2 statistic for mixed effect models,
	described by Nakagawa & Schiezlich (2012).
(added) support for 'splm' (from package 'splm'), and 'logistf' models (from 
	package 'logistf').
Cp: now accepts more than one model (like 'AIC').
New demos "dredge.varying", "dredge.subset" and "gees".

Version: 1.8.2 (2012-12-07)
(added) support for models of class 'mark' (from package 'RMark'). 'dredge'
	can currently only manipulate 'formula' element of argument
	'model.parameters'.
simplify.formula, expand.formula: new functions to convert formula between 
	expanded and shorthand notation (i.e. between 'a+b+a:b' and 'a*b').
model.names: has new argument "use.letters".

Version: 1.8.1 (2012-11-23)
(added) methods for class 'merMod' to accommodate recent changes in 
	lme4_0.99999911-0.
getAllTerms: now recognizes random effects in 'MCMCglmm'.

Version: 1.8.0 (2012-11-21)
This version introduces support for GEE models ('gee','geeglm' and 'yags') 
	ranked by QIC (note that 'yags' seems to be still quite buggy).
	Also 'clmm' and 'clm' from package 'ordinal' are now handled properly.
QIC, quasiLik: new functions for use with GEE models.
[p]dredge: argument 'subset' can be now a logical matrix representing allowed 
	parameter combinations. Some improvements for speed have been made.
[p]dredge, model.avg: new argument 'ct.args' for passing extra arguments 
	to 'coefTable'.

Version: 1.7.12 (2012-11-11)
tests/classes.R: fixed compatibility spdep-0.5.53. (spdep::spautolm now uses 
	method = "eigen", was "full") 

Version: 1.7.11 (2012-07-13)
coefTable.multinom: fixed an error when coefficients and standard errors were 
	matrices.
get.models: now checks for the object class of the passed arguments.

Version: 1.7.10 (2012-06-07)
(fixed) dredge: bug with an error message when number of predictor exceeded 
	maximum (thanks to Corina Logan for spotting this).
manual: added 'glmmADMB' to the list of supported classes (reported by Rocio 
	Jana).
'coxme' moved from 'Suggested' to 'Enhances' (to avoid build error when the
	dependency is missing).

Version: 1.7.9 (2012-04-03)
(added) 'predict' methods for 'lme' and 'lmer' (both can calculate 'se.fit').
	'predict.lme' is a wrapper for its namesake from 'nlme' package (it is
	not exported, so it's visibility depends on the order the packages were 
	loaded - but is always visible from MuMIn namespace).

Version: 1.7.8 (2012-04-01)
(fixed) 'coef.model.selection' returns now proper coefficients

Version: 1.7.7 (2012-04-01)
(fixed) dependencies in tests

Version: 1.7.6 (2012-04-01)
dredge: with nested formula designs, 'marg.ex' is now found automatically
predict.averaging: is now more flexible in how the predictions from generalized
	models are calculated (new attribute "backtransform").

Version: 1.7.5 (2012-03-27)
(added) methods for 'MCMCglmm' class, and function 'DIC': works with 'model.sel'
	and 'dredge' (but not 'model.avg').
'unmarked' is removed from 'Suggested' packages (recently it is often 
	unavailable on CRAN and causes errors during R CHECK). Added workarounds to 
	pass (=cheat) the R CHECK.

Version: 1.7.3 (2012-02-01)
(added) methods for 'glimML' class from package 'aod'

Version: 1.7.2 (2012-01-30)
(fixed) 'nobs.coxme' returned the number of events was returned rather than 
	the number of observations.
(fixed) 'coefTable' gave an error for 'coxph' null model.
(fixed) 'r.squaredLR' was evaluating the null model for 'lme' in a wrong 
	environment.
(fixed) 'getAllTerms' method for 'zeroinfl' was not registered.
dredge: checks each generated model for the correct number of observations.


Version: 1.7.1 (2012-01-26)
(added) methods for 'hurdle' and 'zeroinfl' classes (package 'pscf').
coef, coefTable: new methods to extract coefficients from model selection 
	tables.
Documentation: list of supported models put into a separate page.

Version: 1.7.0 (2012-01-25)
This version adds possibility to model average and re-rank (with another IC) a 
	model selection table without recreating the fitted models. Models from 
	package 'coxme' are now supported. Model selection tables include now extra 
	columns showing differences in attributes of the modelling function call.
model.avg: use 'model.selection' without refitting the models. Fixed a problem 
	with averaging different types of models together (happened when 'df's were 
	available only for some of component models).
dredge: coefficient tables added to the result (attribute "coefTables"). The 
	code has been simplified.
print.model.selection: now reports random terms also for objects generated by
	'model.sel'.
get.models: can handle 'model.selection' objects from 'model.sel'
model.sel: re-ranking 'model.selection' without recreating original models 
	(works only if the IC can be applied to logLik). Output has additional 
	columns showing differences between models (based on call's arguments)
(added) generic methods for 'coxme' and 'lmekin' classes (package 'coxme').

Version: 1.6.6 (2012-01-07)
model.avg: fixed error occurring when non-estimable coefficients existed in the 
	component models (problem reported by Annabel Smith)

Version: 1.6.5 (2011-11-28)
pdredge example changed to use SOCK cluster type (portability issue).

Version: 1.6.4 (2011-11-26)
coefTable: replaces 'tTable' (which still exists, but is deprecated), it 
	accepts an argument 'dispersion'. The dispersion parameter can be also 
	passed from 'model.avg'.
pdredge: collects all the warnings and errors which occur during fitting, and 
	stores them. They are printed below the table.
	The function does more thorough checking of the cluster nodes' environment,
	for possible missing variables and functions.
get.models:  "subset" argument can be now a character vector giving model names.
(added) demos for model selection with models from 'unmarked' package using 
	'dredge' and 'pdredge'.

Version: 1.6.3 (2011-11-15)
pget.models: new function, parallel version of 'get.models'.
(p)get.models: important change of the default behaviour: without the 'subset' 
	argument, ALL models are returned. Also the '...' arguments were not used to
	update the returned models - this is corrected now.

Version: 1.6.2 (2011-11-13)
pdredge: new function, a parallel version of dredge (experimental).

Version: 1.6.1 (2011-11-11)
dredge: added generic support for all 'unmarked' models, and fixed some bugs 
	with it.
model.names: new function (previously was internal only)
CAICF: adds to the collection of rarely used information criteria.

Version: 1.6.0 (2011-11-07)
dredge: most important change (although invisible to the user) is in the way the
	model objects are updated. The new function 'makeArgs' is used to generate 
	the updated call. This results in a very flexible interface to the modelling
	functions. The default method updates the 'formula' argument, other methods 
	can be used to deal with more problematic calls (the models from package 
	'unmarked' were a challenge). Apart from the model classes previously
	supported by 'dredge', support for 'unmarkedFitOccu', 'unmarkedFitColExt'
	and several other 'unmarkedFit' objects has been added.
dredge: has new argument 'extra' to add additional statistics into the model 
	selection table.
r.squared: new function to calculate likelihood-ratio based pseudo-R-squared
subset method for 'model.selection': accepts a shorthand notation "has(x)" to 
	select rows where a variable is present.
(added) support for 'survreg' and 'rq' models (packages 'survival' and 
	'quantreg')

Version: 1.5.2 (2011-10-21)
dredge: fixed a bug with wrong ordering of column names in the returned 
	data.frame (thanks to Staffan Roos for reporting this).

Version: 1.5.1 (2011-10-20)
compatibility with R prior to 2.13.0: added workarounds for missing generic 
	function 'nobs'.

Version: 1.5.0 (2011-10-18)
model.avg: removed the argument "method", the standard errors and confidence 
	intervals are calculated only for coefficients averaged within a subset of 
	models where they are present (method = "NA"). The "full" coefficients are
	also returned, but without std. errors.
plot.model.selection: new function to visualize the model selection table
manuals expanded, examples revised
getAllTerms: should work for most of the classes derived from 'unmarkedFit'
a load of small improvements, polishings and fixes, generally invisible to the 
	user.

Version: 1.4.4 (2011-10-16)
QAIC: no longer uses model deviance, as it gave biased values.
ICOMP, Cp: new information criteria 
model.avg: now performs a smarter check for duplicate models, fixed calculation 
	of importance values
model.sel: new alias to 'mod.sel' (eventually will replace 'mod.sel').

Version: 1.4.3 (2011-10-13)
Beetle: new data - beetle mortality, with examples from B&A's book
dredge: new arguments 'varying', 'm.min' and 'evaluate'
manuals modified and corrected 
tests/gamm.R: tests for 'gamm'/'gamm4' support.

Version: 1.4.2 (2011-10-11)
support for 'gamm' and 'gamm4'
gamm: added a wrapper for gamm, that allows for updating the object (hopefully 
	needed only temporarily)

Version: 1.4.1 (2011-10-10)
A few changes to vignette 'gamm'

Version: 1.4.0 (2011-10-05)
importance: new function
mod.sel: added method for a 'model.selection' object

Version: 1.3.10 (2011-09-23)
Reverted changes made in previous version (package dependencies) to succesfully
	pass checks.

Version: 1.3.9 (2011-09-17)
removed  *.lmer *.glmer methods, added dependency on lme4 >= 0.999375-16
tTable.mer: minor change

Version: 1.3.8 (2011-09-17)
Restored compatibility with R 2.12.2
getAllTerms: new attribute 'intercept'

Version: 1.3.7 (2011-09-16)
handling double intercept (phi(Int) and p(Int)) in 'unmarked'

Version: 1.3.6 (2011-09-12)
changes in the documentation and vignette

Version: 1.3.5 (2011-08-05)
mod.sel: new function
added methods for 'unmarkedFit' objects (package 'unmarked'), to provide 
	(limited) support in 'model.avg'

Version: 1.3.4 (2011-08-03)
Added vignette document on model selection with 'gamm' and 'gamm4'
(thanks to Graham MacDonald for an incentive)

Version: 1.3.3 (2011-08-01)
dredge: small improvements, no longer dependent on 'bitops'
Polished the documentation

Version: 1.3.2 (2011-08-01)
nobs: updated methods

Version: 1.3.1 (2011-07-31)
dredge: bugs fixed

Version: 1.3.0 (2011-07-29)
model.avg: now may be used directly with 'model.selection' object
summary.averaging: gives now more information

Version: 1.2.4 (2011-07-29)
fixed handling of spatial parameters (lambda, rho) in models from package 
	'spdep'
dredge: modified for better performance
dredge, get.models: can deal with glms with starting values provided ('start'
	argument)
QAIC: added a note in documentation stating that is uses deviance rather than
	logLik in the calculation

Version: 1.2.3 (2011-04-07)
fixed some REML/ML issues, AICc rewritten (based on the new AIC code in stats)

Version: 1.2.2 (2011-04-06)
nobs: corrected methods for mixed models, added documentation page

Version: 1.2.1 (2011-04-05)
.GetLogLik - hidden helper function (returns the proper logLik to use)

Version: 1.2.0 (2011-04-04)
AICc has new argument REML used with mixed models. Thanks to Benjamin Augustine
	for suggestion.

Version: 1.1.2 (2011-03-19)
removed arguments 'alpha' and 'level' from model.avg. 'confint' is used instead
	to obtain CI

Version: 1.1.1 (2011-03-18)
the printed output of 'averaging' has been made consistent with that of lm and
	glm: 'print' gives concise information and 'summary' gives more details.
confint.averaging: new function.
print.summary.averaging: new function.

Version: 1.1.0 (2011-03-10)
added z-statistic, p-values (with significance stars) to model.avg output

Version: 1.0.0 (2011-02-10)
get.models: fixed - arguments in ... were not passed to updated models
predict.averaging: predictions on response scale can be calculated
	(type=response)
new functions (not exported): nobs, coefDf
model.avg: now makes use of correct DF from component models in calculation of
	adjusted SE
par.avg: calculates ASE if df are provided, example(QAIC) now demonstrates
	predictions with confidence intervals

Version: 0.14.2 (2011-02-05)
dredge: small changes, slightly faster
manual corrected

Version: 0.14.1 (2011-02-04)
vcov.averaging, logLik.averaging: new methods,
revised formula for unconditional variance
manual reworked

Version: 0.14.0 (2011-01-19)
TODO: model.avg: added npar to the selection table
predict.averaging: now can return averaged SE
par.avg: may use revised formula for calculating averaged SE

Version: 0.13.21 (2011-01-16)
dredge: handling of update'd lmer models improved
QAICc: new function

Version: 0.13.20 (2011-01-16)
Namespace exports updated (coxph methods)
dredge: uses now QAIC for glms with 'quasi*' family, and if no rank is specified

Version: 0.13.19 (2011-01-15)
model.avg: fixed wrong ordering of model names (thanks to Dennis Jonason for
	noticing this)

Version: 0.13.18 (2010-10-16)
Support for coxph (package survival)

Version: 0.13.17 (2010-09-13)
model.avg: fixed a bug with models with binary response;
dredge: added checking for na.omit'ting in the global model.
new tests: varia.R

Version: 0.13.16 (2010-09-07)
dredge, model.avg: broken support for several types of models was fixed

Version: 0.13.15 (2010-09-06)
support for 'MASS::multinom'

Version: 0.13.14 (2010-09-03)
print.model.selection: empty columns are not printed now

Version: 0.13.13 (2010-09-02)
dredge: handling of models with no intercept, added "call" attribute
update.model.selection: new function

Version: 0.13.12 (2010-08-29)
dredge, getAllTerms, dredge.Rd: small modifications

Version: 0.13.11 (2010-08-28)
getAllTerms: improved handling of interactions, random terms (lmer) and
	"offset()"
formulaAllowed: now allows for exceptions in margins presence checking (new
argument: "except")
dredge: now tries to call fitting function directly rather than through update
	(more effective in case when model not passed as a variable). New arguments:
	"trace", and "marg.ex" - marginality checking exceptions.

Version: 0.13.10 (2010-08-26)
getAllTerms: fixed a bug with with wrong ordering of interaction terms (resulted
	with a:b or b:a depending on the set of terms). Improved handling of random
	terms in lme.

Version: 0.13.9 (2010-08-24)
dredge: fixed bugs introduced in the previous version

Version: 0.13.8 (2010-08-03)
QAIC: examples expanded

Version: 0.13.7 (2010-08-02)
dredge: prints errors generated by models as warnings (previously these were
	skipped silently)

Version: 0.13.6 (2010-08-01)
print.model.selection: improved column abbreviation.

Version: 0.13.5 (2010-07-31)
dredge: fixed a bug causing interaction coefficients to be stripped from
model.selection table, new function 'fixCoefNames' (not exported) handles proper
ordering of interaction components in coefficient names.

Version: 0.13.4 (2010-07-21)
'beta.weights' now uses 'tTable' (support for more model types), 'dredge' with
beta=TRUE tries out if it can get beta.weights working.
Manual: added gls and rlm to the list of supported models

Version: 0.13.3 (2010-07-15)
Bug fixed in print.averaging

Version: 0.13.2 (2010-07-14)
Attributes for custom rank function in "dredge" and "model.avg" are now
evaluated model-wise, if provided as expressions.

Version: 0.13.0-1 (2010-07-12)
Fixed compatibility issues with models of class "lme" and "sarlm".
"model.avg" does now some checking whether all models were fitted to the same
data and have the same response.

Version: 0.12.13 (2010-07-09)
'recalc.weights' argument added to "subset.model.selection".
Small bug fixed in dredge.

Version: 0.12.12 (2010-07-08)
New in "dredge": Subsetting models a priori according to a formula

Version: 0.12.11 (2010-07-07)
Subset/extract methods for 'model.selection' object

Version: 0.12.10 (2010-07-05)
Fixed "predict.averaging" for missing 'newdata' handling; Table returned by
"dredge" now has factors for terms with more than one level (they were
previously shown as '1')

Version: 0.12.9 (2010-07-03)
Finally fixed problems with variable exporting and hidden methods

Version: 0.12.7-8 (2010-07-02)
Small changes in namespace and documentation

Version: 0.12.6 (2010-06-26)
Tidying up the code, small changes.

Version: 0.12.4 (2010-06-21)
added: "predict.averaging" and "coef.averaging", 'averaging' object contains
additional elements, so that several default methods work with it.

Version: 0.12.2 (2009-06-14)
fixed: 'alpha' in "model.avg" was not passed to "par.avg"

Version: 0.12.1 (2009-04-20)
fixed: method="NA" in model.avg, par.avg now accepts NA's in 'weight'

Version: 0.12.0 (2009-03-24)
Change in version number only. Had to make this jump in numbering, as there was
a typo in DESCRIPTION file of an early version, (0.11.2 instead of 0.1.0), and
since then R-forge mechanism seemed to ignore actual newer versions, as they had
lower number.

Version 0.1.1 (2009-03-22)
Modified: dredge: added "fixed" and "m.max" arguments.

Version 0.1.1 (2009-03-17)
Fixed: par.avg: Variance estimate corrected (previous estimate was square root
of variance). Thanks to Mick Wu.
Fixed: dredge: Apparently "expand.grid" cannot handle too many combinations, so
now dredge stops with a more explanatory message

Version 0.1.0
dRedging (0.11.2) moved to R-Forge.
Since model averaging is now the main focus of the package, its name changed
to MuMIn - MUltiModelINference.