# * RELEASE HISTORY OF THE 'mitml' PACKAGE:
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# Version 0.4-4 (2021-11-09)
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* coef, vcov: new methods for extracting pooled parameter estimates and the
pooled variance-covariance matrix
* testEstimates: no longer requires specifying variance estimates (uhat) when
manually pooling estimated parameters (qhat), fixed spurious
warning for 'coxph' models, added initial support for
'glmmTMB'
* testModels: added initial support for 'D4' for models fitted with GLS
('nlme'), added initial support for 'glmmTMB'
# Version 0.4-3 (2021-10-05)
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* mitml.list2mids: new function (converts objects from 'mitml.list' to 'mids')
* testEstimates, added features (support for ordinal models estimated with
testConstraints, 'MASS::polr')
testModels:
* other: bugfix (fixes vignette build errors)
# Version 0.4-2 (2021-09-10)
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* testModels: bugfix (fixes unneded refits in 'D1', fixes scoping issue in
'D3' and 'D4')
# Version 0.4-1 (2021-02-05)
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* fixed Solaris build error
# Version 0.4-0 (2021-01-25)
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* testEstimates: added initial support for SEM ('lavaan'); argument 'var.comp'
is now deprecated and was replaced by 'extra.pars'
* testModels: added new pooling method for LRTs ('D4'); now adopts more
accurate formula for small-sample degrees of freedom ('df.com');
added initial support for SEM ('lavaan'); expanded support of
'D3' for multilevel models ('lme4') with arbitrary number of
clusters; added 'ariv' argument for different estimators
* testConstraints: added initial support for SEM ('lavaan'); now adopts more
accurate formula for small-sample degrees of freedom ('df.com')
* anova.mitml.results: see 'testModels'; now uses 'D4' and 'D2' as fallback
options (in that order)
* other: general code improvements
# Version 0.3-6 (2018-07-10)
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* confint: new function, calculating confidence intervals for pooled
estimates (applicable to testEstimates() objects)
* jomoImpute, added features (option to save fewer parameters with
panImpute: 'keep.chains')
* jomoImpute, added features (support for single-level imputation models)
* testEstimates, added features (support for Cox-PH models using 'survival'
testConstraints, package)
testModels:
* testConstraints: added features (pooled estimates and SEs of specified
constraints)
* mitmlComplete: bugfix (fixes row ordering issue)
* jomoImpute, bugfix (fixes erroneous removal of global seed)
panImpute:
* other: added vignettes (analysis, level-2 imputation)
# Version 0.3-5 (2017-03-14)
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* testEstimates: now prints the two-tailed p-value (as opposed to one-tailed
in earlier versions), revised label for p-values, improved
output with constrained variance components
* testModels: revised label for p-values
* testEstimates: added features (support for GEEs using the 'geepack' package)
* testModels: added features (support for GEEs using the 'geepack' package)
* testConstraints: added features (support for GEEs using the 'geepack' package)
* c.mitml.list: new functions, combining lists of multiply imputed data sets
(and rbind..., by data set (c.mitml.list), row (rbind.mitml.list), or column
cbind...) (cbind.mitml.list)
* sort.mitml.list: new function, sorting lists of multiply imputed data sets by
one or several variables (similar to '?order')
* subset.mitml.list: new function, generating subsets for lists of multiply
imputed data sets (similar to '?subset')
* amelia2mitml.list: new function, converting imputations generated by the
'Amelia' package to 'mitml.list'
* justice: updated data set (added categorical variable, missing data at
Level 2)
# Version 0.3-4 (2016-09-12)
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* mitmlComplete: changed default arguments ('print' now defaults to 'all',
returning list of completed data sets)
* jomoImpute: bugfix (fixes error in which jomoImpute() rejected correctly
specified priors when 'group=NULL')
* mitmlComplete: bugfix (fixes error with categorical target variables when
there are no missing data)
* plot: adjusted warning message for 'pos' argument to include
'beta2'.
# Version 0.3-3 (2016-07-04)
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* jomoImpute: added features (support for imputation of cluster-level
variables, i.e., the two-level procedures "jomo2...")
* print/summary: revised appearance in two-level models (model summary is
displayed separately by level for two-level imputation
procedures)
* plot: additional value for print argument ("beta2", denoting the
regression coefficients of the cluster-level imputation
model)
* jomoImpute: bugfix (fixes error in the usage of starting values in cases
with only continuous/no categorical data)
* plot: revised formatting of the plot title (order of variables)
# Version 0.3-2 (2016-05-10)
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* plot: added features (requesting single parameters, thinning of
the chain prior to plotting)
* summary: added features (summary of autocorrelation)
* plot: revised appearance and behavior (burn-in printed in grey,
included Rhat and autocorrelation at lag k in the posterior
summary; for trace="burnin", the summary is now calculated
for the burn-in phase, not the imputation phase)
# Version 0.3-1 (2016-05-10)
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* anova: new function based on objects of class 'mitml.result',
facilitating comparisons for a sequence of models
* long2mitml.list: new function, converting multiple imputations from "long"
format to 'mitml.list'
* jomo2mitml.list: new function, converting imputations generated byt the 'jomo'
package to 'mitml.list'
* multilevelR2: new function, calculating measures of explained variance
(R^2) for multilevel models and based on observed or multiply
imputed data sets
* justice: new data set, including re-simulated data based on the study
of procedural justice, justice climate, and organizational
satisfaction by Liao and Rupp (2005)
* plot: renamed export directory ("mitmlPlots", formerly "panPlots")
* testModels: added automatic refit using ML for REML fitted models
* mitmlComplete: bugfix (fixes error with mixed categorical and continuous
variables)
* plot: bugfix (fixes handling of latent background variables for
categorical variables)
# Version 0.3-0 (2016-03-15)
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* jomoImpute: new function, providing an interface to the jomo package for
imputation of missing values at level 1
- includes adjustments in mitml.complete as well as the
summary, print, and plot methods)
- includes minor changes in the interpretation of the formula
and type arguments
- adds a few slots to the 'mitml' object class
* summary: bugfix (fixes behavior when applied to fixed parameters
with zero variance)
* as.mitml.list: bugfix (fixes order of class attributes)
# Version 0.2-4 (2015-10-19)
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* clusterMeans: code improvements
* panImpute: code improvements
* testConstraints: added features (model-independent input)
* testEstimates: added features (model-independent input)
* testModels: comparisons of REML fits through D2 is now permitted
* summary: bugfix (n.Rhat now takes effect), added features (goodness
of approximation)
# Version 0.2-3 (2015-07-09)
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* panImpute: added features (silent mode), bugfix (ordering of variables
with nonstandard priors)
* summary: added features (details on PSR)
* plot: revised layout, added features (trend line, posterior
summary), bugfix (plot labels)
* testModels: bugfix (structural zeros in lmer objects)
* studentratings: renamed variable (data set)
# Version 0.2-2 (2015-05-23)
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* initial release