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Commits on Dec 12, 2023

• Updated License and examples relating to Suggests. Modified .Rbuildignore & .gitignore. Replaced /itemize with /describe. Prepared CRAN release.

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Commits on Sep 18, 2023

• Improved documentation and checks related to the Ledermann bound and added various references to, & warnings for, the additional Q <= floor((P-1)/2) restriction throughout the package. Minor fixes …

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Commits on Jul 6, 2023

• Tidied \doi etc. Edits related to .len_check() to account for mu.zero &/or psi.beta &/or items related to delta0g being supplied as a list of length length(range.G). Related minor fixes when label …

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Commits on Jun 23, 2023

• Added Schiavon & Canale adaptation criterion for IFA models (using both mcmc_IMIFA and post-hoc adaptation thereof using get_IMIFA_results).

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• Fixes to post-hoc adaptation. Only invoked when relevant parameters are stored and now both loadings and scores are truncated appropriately (not only Q).

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Commits on Jun 20, 2023

• All finite-factor models (FA, MFA, OMFA, IMFA) now work again with range.Q=0 [thanks to @abcoxyzide for the heads up].

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Commits on Jun 5, 2023

• Extensive edits to avoid overheads introduced in matrixStats v1.0.0 + related minor speed-ups.

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Commits on May 1, 2023

• get_IMIFA_results gains the arg. adapt, allowing automatic, post-hoc truncation of redundant

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Commits on Apr 1, 2023

• Minor speed-up to G_priorDensity when discount is non-zero. Now using newer CITATION commands.

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Commits on Dec 20, 2022

• Minor fix to adaptive Gibbs sampler for clusters with zero factors. Minor documentation & examples edits re: the "truncated" argument. Prepared CRAN release.

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Commits on Nov 26, 2022

• Replacing calls to rep(). Sped-up .scale2 and Procrustes. Minor Cholesky-related fixes. Renamed confidence to credible in "alpha" and "discount" plots.

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Commits on Aug 12, 2022

• storeControl gains the update.mu arg. to optionally circumvent updates of the mean parameters to speed-up special case of (I)FA models with centred data. Minor fix to param="means" plots for uncent…

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Commits on Jul 1, 2022

• Minor fix to rare cases where Cholesky decompositions fail. gumbel_max examples edit. Tidying code related to exchange=TRUE.

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Commits on Dec 20, 2021

• bnpControl gains the args. "thresh" & "exchange", implementing the exchangeable/thresholded slice sampler of Fall & Barat (2014): these are experimental features (both args. default to FALSE, both …

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Commits on Dec 7, 2021

• Modified adaptive Gibbs sampling for all infinite factor methods so that adaptation occurs before related parameter updates, for cleaner code, with associated new default behaviour for mgpControl a…

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Commits on Dec 2, 2021

• Fixed posterior predictive checking bug in get_IMIFA_results for models for univariate data where some components have zero factors. Minor speed-up to updates of DP concentration parameter alpha.

  

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Commits on Oct 8, 2021

• Added function rltrgamma() to help with left-truncated version of column shrinkage MGP prior parameters, which can now be invoked using the new 'truncated' argument (default: FALSE) to mgpControl()…

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Commits on Jul 30, 2021

• 1. Minor speed-up to simulation of component mean parameters. 2. Major speed-up to simulation of factor loadings parameters (especially when Q=1). 3. Major speed-up to simulation of factor scores w…

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Commits on May 24, 2021

• Extended G_calibrate to use the Rmpfr & gmp libaries, use the full theoretical ranges for the uniroot intervals, and work when alpha=0. Major speed-up to G_expected when alpha=0. G_variance also co…

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Commits on May 18, 2021

• Fixed small bugs associated with IM(I)FA slice samplers introduced in previous update. Minor speed-up to psi_hyper. G_calibrate exported to augment existing G_expected & G_variance functions (docum…

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Commits on Jan 5, 2021

• Fixed initialisation issues for univariate data sets. error.metrics=TRUE now works for univariate data sets. Prettier axis labels for first two plot.meth="zlabels" plots. Slight speed-ups for both …

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Commits on Dec 11, 2020

• Merge branch 'master' of https://github.com/Keefe-Murphy/IMIFA

  

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• Minor CRAN compliance edits to the vignette & tiny documentation edits.

  

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Commits on Nov 18, 2020

• Ensured matrixStats(>=0.53.1) & mclust(>=5.4) in Imports: and gmp(>=0.5-4) in Suggests:. Package startup message now includes a check for whether a newer version is available on CRAN. Cosmetic chan…

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Commits on May 12, 2020

• Minor edits for compliance with R 4.0.0. Improved handling of suggested packages Rmpfr & gmp in G_expected, G_variance, and G_priorDensity. Minor speed-up to Procrustes when dilate=TRUE. summary.Re…

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Commits on Mar 30, 2020

• Fixes & speed-ups to MIFA/OMIFA/IMIFA when ~some~ clusters have zero factors.

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Commits on Dec 11, 2019

• Merge branch 'master' of https://github.com/Keefe-Murphy/IMIFA

  

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• Ensured compatibility with latest version of Rfast package (med -> Median).

  

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• Ensured compatibility with latest version of Rfast package (med -> Median).

  

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• Added 'forceQg' arg. to mgpControl() which allows the upper-bound on the number of factors to be cluster-specific; in particular, Qg is kept below ng - 1, so that there are fewer factors than obser…

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Commits on Jul 1, 2019

• Allowed FIXED discount<0 (which forces alpha to be fixed also). Related fixes to G_expected, G_variance, and G_priorDensity. Fixes to sim_IMIFA_data to allow empty clusters (though still not advise…

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Commits on Jun 2, 2019

• Updated citation to new arXiv version. Small NAMESPACE fix. Minor speed-up to post_conf_mat & parallel coordinates plots. Minor fix for handling optional args. to mixfaControl and plot.Results_IMIF…

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Commits on Feb 4, 2019

• Overhauled psi_hyper again, removing the argument S0 & using the max rather than the geometric mean. Now S0 is forced to be the identity matrix explictly, but the estimate is computed of the invers…

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Commits on Jan 18, 2019

• Fixed sim_IMIFA_model to account for non-storage of parameters. Added 'non.zero' argument to sim_IMIFA_data to control the number of effective factors (between 1 & P), per column & per cluster, in …

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Commits on Jan 17, 2019

• Overhauled psi_hyper, especially in N <= P cases where the sample covariance matrix is not invertible. In such cases, the arguments beta0 & S0 are used to construct an estimate, as per Fruhwirth-Sc…

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