TreeBUGS 1.5 (May 2023) =========== * new argument monitorIndividual = TRUE for traitMPT() and betaMPT() allows to disable storing MCMC samples for individual theta parameters * R code cleaned up with package "styler" * bug fix for issue #12 by @soelderer (Paul): plotConvergence() uses strange parameter labels for models with more than 10 parameters * bug fix for issue #11 by @mariusbarth: issues with printing of WAIC() results TreeBUGS 1.4.9 (September 2022) =========== * fix deprecated << operator in RcppArmadillo * added references to MPT tutorial (Schmidt et al., 2022) TreeBUGS 1.4.8 (August 2022) =========== * check issue with HTML5 code (align, hspace) * improved documentation of the probit regression in traitMPT() * bugfix for getSamples() by @mariusbarth (GitHub issue #9) TreeBUGS 1.4.7 (March 2022) =========== * bugfix for computing transformedParameters(..) for more than two parameters at the individual level TreeBUGS 1.4.6 (January 2021) =========== * Minor bugfix for naming of categories in plotFit() function * Minor bugfix for BayesFactorMPT() TreeBUGS 1.4.5 (May 2020) =========== * added standardized regression slopes for latent-trait MPT regression with continuous predictors (i.e., traitMPT with the option predStructure) * BayesFactorSlope() plots the posterior distribution of the unstandardized (instead of partially standardized) slope parameter * bugfix: posterior predictive check (PPP) for MPT models with a single tree TreeBUGS 1.4.4 (December 2019) =========== * Improvements and bugfixes for the C++ MCMC samplers by Marius Barth. * Bug fixes for issues concerning class(matrix(...)) in R 4.0.0 TreeBUGS 1.4.3 (March 2019) =========== * Thinning within C++ samplers [thanks to Marius Barth] * New default priors for alpha and beta in betaMPT: "dgamma(1,.1)T(1,)" TreeBUGS 1.4.2 (January 2019) =========== * License updated to GPL-3 * Standard error for WAIC * Hexagon sticker added TreeBUGS 1.4.1 (December 2018) =========== * summarizeMCMC: Batchwise computation of summary statistics to reduce RAM overload * WAIC implemented (based on a developmental feature of JAGS) TreeBUGS 1.3.2 (April 2018) =========== * Bugfix: extendMPT() for betaMPT * New function to extract MCMC samples: getSamples(...) * Possibility to extract MCMC samples for getGroupMeans(...) TreeBUGS 1.3.1 (February 2018) =========== * Improved BayesFactorSlope(): JZS prior (=Cauchy) or g-prior(=normal) * Bugfixes due to uncorrelated traitMPT TreeBUGS 1.3.0 (February 2018) =========== * New option for the latent-trait MPT model: Independent Cauchy priors instead of a multivariate Wishart prior for the random-effects covariance matrix. TreeBUGS 1.2.0 (January 2018) =========== * new function BayesFactorSlope() to get Bayes factor for continuous predictors in traitMPT() * G^2 in PPP() * option to use mu instead of mean in genTraitMPT() * Various bugfixes TreeBUGS 1.1.1 (August 2017) =========== * Various bug fixes TreeBUGS 1.1.0 (April 2017) =========== * Functions to compute Bayes factors for simple (nonhierarchical, fixed-effects) MPT models: BayesFactorMPT() and marginalMPT() * Registration of C++ routines TreeBUGS 1.0.3 (January 2017) =========== * Bugfix in readEQN: treat numeric parameter labels as constants TreeBUGS 1.0.3 (January 2017) =========== * Bugfix for traitMPT in priorPredictive() * Optional arguments (...) for plotting functions TreeBUGS 1.0.0 (December 2016) =========== * New function correlationPosterior() to estimate the posterior for the population correlation (taking into account the number of participants) * Second CRAN release TreeBUGS 0.8.2 (November 2016) =========== * New function probitInverse() to get the bivariate transformation of mean and SD in probability space given a normal distribution in probit space * Visible function summarizeMCMC() to provide TreeBUGS-specific MCMC summaries * priorPredictive() allows to sample group-level parameters TreeBUGS 0.8.1 (November 2016) =========== * Zeros-trick by Smith & Batchelder (2010) for betaMPT() implemented (i.e., by using the argument alpha="zero") * Parameter constraints result in the same parameter labels for JAGS and C++ samplers (e.g., "b=a=f" will be labeled "b") TreeBUGS 0.8.0 (November 2016) =========== * New function withinSubjectsEQN() that replicates an MPT model multiple times with different tree, category, and parameter labels for within-subject factorial designs * plotFreq() uses boxplots instead of lines by default * Posterior-predictive p-values per participant * Bugfix: avoid negative "sigma" and reversed "rho" estimates in traitMPT() due to negative scaling parameters "xi" * Bugfix: posteriorPredictive() always sampled data for new participant (=> false T1+T2 posterior predictive checks!) TreeBUGS 0.7.1 (November 2016) =========== * New function priorPredictive() to sample data sets from the prior * New function plotPrior() to plot prior distributions for group mean, SD, and correlations * Posterior predictive samples for new participants * Possible to use boxplot in plotFreq() * Improved data-generating functions to allow for parameter restrictions * Package testing via 'testthat' added TreeBUGS 0.7.0 (November 2016) =========== * Possibility to define models directly in R without requiring EQN files (by providing the EQN equations in a character value) * New function transformedParameters() to obtain posterior samples of transformed parameters for a fitted model (both on the group and individual level) * Argument "transformedParameters" now accepts a path to a text file with transformations (one per line) * New argument "posteriorFile" to save fitted model and posterior MCMC samples in RData-file * Better compatibility of betaMPTcpp() results with plotting functions * Option to plot median or mean estimates in plotParam() * Increased stability of extendMPT() * Fixed bug in plotFreq() if input is given by a matrix/data.frame TreeBUGS 0.6.2 (September 2016) =========== * Bugfix: betweenSubjects with different number of chains * Added data "arnold2013" by Arnold, Bayen, Kuhlmann, and Vaterrodt (2013) * More examples in R help files * Convergence plots for simpleMPT TreeBUGS 0.6.1 (August 2016) =========== * First CRAN release * Fast C++ Gibbs sampler tailored standard (simple fixed-effects) MPT models (simpleMPT) * Adjusted summary functions to account for standard MPT models TreeBUGS 0.6.0 (August 2016) =========== * Fast C++ Gibbs sampler tailored to beta-MPT models (betaMPTcpp) TreeBUGS 0.5.3 (July 2016) =========== * Better weakly-informative priors for continuous predictors on the standardized scale TreeBUGS 0.5.2 (July 2016) =========== * New function betweenSubjectMPT() that computes between-subject comparisons (e.g., differences) of parameters from two fitted hierarchical models * Extended plotFit() to fit observed against posterior-predicted covariances * Hyperpriors matched by vector names * Split vignette into "Intro" and "Extended" TreeBUGS 0.5.1 (June 2016) =========== * Tests for participant/person heterogeneity implemented (Smith & Batchelder, 2008) TreeBUGS 0.5.0 (June 2016) =========== * function fitModel() that fits both trait and beta MPT (avoids duplicated code) * correlations of parameters are computed in R, not in JAGS anymore (increase in speed) * argument "covStructure" removed (all correlations computed by default) * save posterior predictive samples in traitMPT/betaMPT object (i.e., expected/predicted/observed frequencies) * to get posterior predictive p-values, use ppp=1000 (previously: M.T1=1000) * getParam() and getGroupMean() allow to save results in .csv-file TreeBUGS 0.4.9 (May 2016) =========== * T2 statistic implemented (posterior predictive check of covariance structure) * Posterior predictive checks with parallel computation using multiple cores * Bug fix for posterior predictive with fixed effects TreeBUGS 0.4.8 (May 2016) =========== * New function posteriorPredictive() to draw samples of individual frequencies from posterior * T1 statistic now computed outside of JAGS (more stable, smaller mcmc object, additional argument M.T1 to specifiy the number of posterior samples used) TreeBUGS 0.4.7 (April 2016) =========== * New function plotPriorPost() to compare prior vs. posterior densities * Default prior for traitMPT changed to xi="dunif(0,10)" for stability TreeBUGS 0.4.6 (April 2016) =========== * Parameter-specific hyperpriors for betaMPT (alpha and beta) and traitMPT (mu and xi) TreeBUGS 0.4.5 (March 2016) =========== * Special case of a single hierarchical parameter in traitMPT() [Wishart reduces to chi^2] * Allow fixed effect MPT parameters (e.g., a single guessing parameter for all participants). Specified in restrictions = list("g=FE") * Bayesian p-value in getGroupMeans() to test whether group mean differs from overall mean * Estimation of correlations of theta parameters in betaMPT (based on the MCMC samples; no explicit prior) TreeBUGS 0.4.4 (March 2016) =========== * New function extendMPT() to get additional MCMC samples for fitted traitMPT and betaMPT * Bug fixes if parameter appear twice in model equation (e.g., u*u) TreeBUGS 0.4.3 (February 2016) =========== * Use own summary function (functions in runjags are slow and unstable) * Estimation of DIC requries argument "dic=TRUE" or can be estimated afterwards by: fit$dic <- extract(fit$runjags, "dic") TreeBUGS 0.4.2 (February 2016) =========== * Using the package runjags instead of R2jags (better functionality, e.g., provides progress bar during parallel sampling; max.time for autojags) * Making the function summarizeMPT() visible to allow users to recompute nice MPT summaries after changing the mcmc object (e.g., after the exclusion of MCMC samples) TreeBUGS 0.4.1 (February 2016) =========== * new argument "T1group" to compute T1 statistic separately for a grouping factor (e.g., experimental condition; can be one of the predictors in traitMPT) * changed name of parameter estimate plotting function to "plotParam()" * new generic plotting function plot() for betaMPT and traitMPT (a convenient wrapper for the convergence plots in coda) TreeBUGS 0.4.0 (February 2016) =========== * Possible to sample correlations AND predictors in traitMPT (using covStructure vs. predStructure) * Defaults for traitMPT: No predictors ; correlations for all covariates that are not included in predStructure * Changed argument name "covType" to "predType" (since it is only relevant for predStructure in traitMPT) * New argument corProbit to specify whether to compute correlations for probability- or probit-scaled MPT parameters * Allow to round to specific number of digits, e.g.: summary(fittedModel, round=6) * New function getParam() to conveniently extract posterior estimates (e.g., posterior mean, median, sd) * New function getGroupMeans() to get group estimates in traitMPT with discrete predictors (for single factors or combinations) * Updated vignette TreeBUGS 0.3.5 (February 2016) =========== * Back to comma-separated data format for 'data.csv' and 'covData.csv' * Less informative Cauchy prior as default for continuous predictors in traitMPT * Additional argument IVprec in traitMPT to specify hyperprior for precision of continuous slope paramters * Data-generating function genMPT using general matrices of individual parameters * Parameter labels for output in fittedModel$mcmc$BUGSoutput TreeBUGS 0.3.4 (February 2016) =========== * Support for WinBUGS and OpenBUGS removed * New function plotFreq to plot individual and mean raw frequencies per tree TreeBUGS 0.3.3 (February 2016) =========== * autojags fixed * BCI and R^hat included in individual statistics * Better checks for input arguments for betaMPT, traitMPT TreeBUGS 0.3.2 (January 2016) =========== * csv-format for "data" and "covData": semicolon (;) instead of comma (,) to separate cells * Printing of summary output to "parEstFile" improved TreeBUGS 0.3.1 (January 2016) =========== * New function plotDistribution() to plot histograms of individual mean estimates TreeBUGS 0.3.0 (January 2016) =========== * Discrete factors as covariates in traitMPT with fixed and random effects (see argument: covType) * Improved covariate handling: irrelevant columns are neglected * Goodness of fit plots for mean frequencies (plotFit) * Removed default values for arguments that were NULL previously * Updated vignette * Various Bugfixes TreeBUGS 0.2.3 (January 2016) =========== * Predictors can be included in traitMPT (same arguments covData and covStructure as in betaMPT) * Nice summary for covariates in betaMPT and predictors in traitMPT * Checked and fixed data generation and fitting for latent trait and beta MPT model * Remaining issue: SD of parameters in betaMPT not precisely estimated * Informative error message if N=0 in a tree for a person * Updated vignette TreeBUGS 0.2.2 (December 2015) =========== * Covariates can be included in betaMPT (see arguments covData and covStructure) * Data generation for latent trait MPT model: genTraitMPT() * Example model files (2HTM and 2HTSM) in library path: /TreeBUGS/MPTmodels/ * Examples for readEQN and data generation (genBetaMPT, genTraitMPT) TreeBUGS 0.2.0 (December 2015) =========== * Implementation of Beta-MPT and latent-trait MPT model: betaMPT() ; traitMPT() * Sample and summarize transformed parameters (e.g., "deltaD=d1-d2") * Posterior predictive checks (T1 statistic for group and individual data) * Basic summary and plotting functionality * Functions to generate data according to the Beta-MPT: genBetaMPT() * Package vignette with examples: vignette("TreeBUGS") * Checking EQN file for consistency (identifiability etc.): readEQN()