# * RELEASE HISTORY OF THE 'mitml' PACKAGE: -- # Version 0.4-4 (2021-11-09) -- * 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) -- * 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) -- * testModels: bugfix (fixes unneded refits in 'D1', fixes scoping issue in 'D3' and 'D4') # Version 0.4-1 (2021-02-05) -- * fixed Solaris build error # Version 0.4-0 (2021-01-25) -- * 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) -- * 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) -- * 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) -- * 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) -- * 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) -- * 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) -- * 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) -- * 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) -- * 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) -- * 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) -- * initial release