CRAN Updates

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Unofficial CRAN updates bot maintained by @chriskenny.bsky.social using R package bskyr https://christophertkenny.com/bskyr/

New on CRAN: StressCensoR (0.1.0). View at https://CRAN.R-project.org/package=StressCensoR

StressCensoR: Generalized Stress-Strength Reliability Estimation Under Censoring Schemes

Generalized framework for data generation, Maximum Likelihood Estimation, and Bayesian estimation of stress-strength reliability R = P(Y &lt; X) for arbitrary continuous distributions under censoring schemes based on Chapter 9 of 'Balakrishnan', 'Cramer', and 'Kundu' (2023) &lt;ISBN:978-0-12-398387-9&gt;. Users provide probability density functions, cumulative distribution functions, survival functions, support bounds, parameter ranges, and sample sizes. Implements data generation under Type-I, Type-II, progressive Type-II, Type-I hybrid, Type-II hybrid, generalized hybrid, progressive hybrid, joint, block random, middle, and truncation censoring schemes, accompanied by diagnostic histograms, dot plots, and autocorrelation plots. Maximum Likelihood Estimation supports optimization routines including 'Newton-Raphson', 'Broyden'-'Fletcher'-'Goldfarb'-'Shanno' ('BFGS'), 'BFGS' in R ('BFGSR'), 'Berndt'-'Hall'-'Hall'-'Hausman' ('BHHH'), Simulated Annealing ('SANN'), Conjugate Gradients ('CG'), and 'Nelder'-'Mead' ('NM'), returning summaries ('AIC', 'coef', 'logLik', 'nIter', 'stdEr', summary, 'vcov'). Bayesian estimation of stress-strength reliability R = P(Y &lt; X) is performed via Gibbs sampling, Metropolis-Hastings algorithm, Importance Sampling, and 'Lindley' approximation (1980). Methods and censoring schemes are described in 'Balakrishnan', 'Cramer', and 'Kundu' (2023, ISBN:978-0-12-398387-9), 'Lindley' (1980) &lt;<a href="https://doi.org/10.1111%2Fj.2517-6161.1980.tb01102.x" target="_top">doi:10.1111/j.2517-6161.1980.tb01102.x</a>&gt;, 'Geweke' (1989) &lt;<a href="https://doi.org/10.2307%2F2290062" target="_top">doi:10.2307/2290062</a>&gt;, 'Metropolis' (1953) &lt;<a href="https://doi.org/10.1063%2F1.1699114" target="_top">doi:10.1063/1.1699114</a>&gt;, 'Hastings' (1970) &lt;<a href="https://doi.org/10.1093%2Fbiomet%2F57.1.97" target="_top">doi:10.1093/biomet/57.1.97</a>&gt;, 'Geman' and 'Geman' (1984) &lt;<a href="https://doi.org/10.1109%2FTPAMI.1984.4767596" target="_top">doi:10.1109/TPAMI.1984.4767596</a>&gt;, 'Kundu' and 'Gupta' (2005) &lt;<a href="https://doi.org/10.1016%2Fj.jspi.2004.09.006" target="_top">doi:10.1016/j.jspi.2004.09.006</a>&gt;, 'Kundu' and 'Gupta' (2006) &lt;<a href="https://doi.org/10.1016%2Fj.csda.2005.02.007" target="_top">doi:10.1016/j.csda.2005.02.007</a>&gt;, 'Berndt', 'Hall', 'Hall', and 'Hausman' (1974) &lt;<a href="https://doi.org/10.3386%2Ft0003" target="_top">doi:10.3386/t0003</a>&gt;, 'Fletcher' (1987, ISBN:978-0-471-91547-8), and 'Nelder' and 'Mead' (1965) &lt;<a href="https://doi.org/10.1093%2Fcomjnl%2F7.4.308" target="_top">doi:10.1093/comjnl/7.4.308</a>&gt;.

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New on CRAN: predHCS (0.1.0). View at https://CRAN.R-project.org/package=predHCS

predHCS: Point and Interval Prediction for Censored Data under Various Hybrid Censoring Schemes

Implements generalized statistical point prediction and prediction intervals for future failure times under various hybrid censoring schemes. Supported censoring schemes include Type-I, Type-II, Generalized Type-I, Generalized Type-II, Unified, Progressive Type-I, and Progressive Type-II hybrid censoring schemes. Available prediction methods include Best Unbiased Predictor (BUP), Conditional Median Predictor (CMP), Maximum Likelihood Predictor (MLP), equal-tailed classical prediction intervals, Highest Conditional Density (HCD) prediction intervals, and Bayesian prediction intervals. Algorithms accept user-defined continuous probability density functions, cumulative distribution functions, quantile functions, or survival functions along with estimated parameter values. Methodological foundations are based on Balakrishnan, Cramer, and Kundu (2023, ISBN:978-0123983879), Shafay and Balakrishnan (2012) &lt;<a href="https://doi.org/10.1080%2F03610918.2011.579367" target="_top">doi:10.1080/03610918.2011.579367</a>&gt; for Type-I hybrid censoring, Balakrishnan and Shafay (2012) &lt;<a href="https://doi.org/10.1080%2F03610926.2010.543300" target="_top">doi:10.1080/03610926.2010.543300</a>&gt; for Type-II hybrid censoring, Shafay (2017) &lt;<a href="https://doi.org/10.1080%2F03610926.2016.1200093" target="_top">doi:10.1080/03610926.2016.1200093</a>&gt; for Generalized Type-I hybrid censoring, Shafay (2016) &lt;<a href="https://doi.org/10.1080%2F00949655.2015.1096361" target="_top">doi:10.1080/00949655.2015.1096361</a>&gt; for Generalized Type-II hybrid censoring, Mohie El-Din, Nagy, and Shafay (2017) &lt;<a href="https://doi.org/10.18576%2Fjsap%2F060113" target="_top">doi:10.18576/jsap/060113</a>&gt; for Unified hybrid censoring, Ebrahimi (1992) &lt;<a href="https://doi.org/10.1109%2F24.126685" target="_top">doi:10.1109/24.126685</a>&gt;, Valiollahi, Asgharzadeh, and Kundu (2017) &lt;<a href="https://doi.org/10.1214%2F15-BJPS302" target="_top">doi:10.1214/15-BJPS302</a>&gt;, and Asgharzadeh, Valiollahi, and Kundu (2015) &lt;<a href="https://doi.org/10.1080%2F00949655.2013.848451" target="_top">doi:10.1080/00949655.2013.848451</a>&gt;.

cran.r-project.org

New on CRAN: orbis (0.1.0). View at https://CRAN.R-project.org/package=orbis

orbis: Interactive and High-Resolution Layered Graphics with Built-in World Maps

A layered grammar of graphics that compiles plots to a resolution-independent scene description and renders it through two back-ends: a self-contained SVG writer with embedded 'JavaScript' for interactive figures (tooltips, hover highlighting, zoom, pan and legend toggling) and R's own graphics devices for publication-quality output at any resolution. Geographic layers are first class: a simplified world polygon dataset ships with the package and can be drawn with several map projections, including Robinson, Equal Earth and an orthographic globe. The layered grammar follows Wickham (2010) &lt;<a href="https://doi.org/10.1198%2Fjcgs.2009.07098" target="_top">doi:10.1198/jcgs.2009.07098</a>&gt;; projections follow Snyder (1987) &lt;<a href="https://doi.org/10.3133%2Fpp1395" target="_top">doi:10.3133/pp1395</a>&gt; and, for Equal Earth, Savric, Patterson and Jenny (2019) &lt;<a href="https://doi.org/10.1080%2F13658816.2018.1504949" target="_top">doi:10.1080/13658816.2018.1504949</a>&gt;; line simplification uses Douglas and Peucker (1973) &lt;<a href="https://doi.org/10.3138%2FFM57-6770-U75U-7727" target="_top">doi:10.3138/FM57-6770-U75U-7727</a>&gt;; the default colour scales follow the guidance on perceptually uniform palettes of Crameri, Shephard and Heron (2020) &lt;<a href="https://doi.org/10.1038%2Fs41467-020-19160-7" target="_top">doi:10.1038/s41467-020-19160-7</a>&gt;.

cran.r-project.org

New on CRAN: MYIS (0.1.0). View at https://CRAN.R-project.org/package=MYIS

MYIS: 'Moreau-Yosida' Importance Sampling for Statistical Inference

Implements 'Moreau-Yosida' Markov chain Monte Carlo ('MCMC') importance sampling for parameter estimation and Bayesian inference under smooth, non-differentiable, or light-tailed target posterior distributions and arbitrary probability models with complete or censored data. Users supply user-defined probability density functions, optional distribution functions, parameter ranges, and observations subject to complete, right, left, interval, Type-I, Type-II, progressive Type-II, first-failure, or truncation schemes. Constructs 'Moreau-Yosida' envelopes, gradient-based proposals ('MALA', 'HMC', or 'RWM'), self-normalized importance weights, batch-means asymptotic variance estimates, and Bayesian marginal quantiles. Methodologies are based on 'Shukla', 'Vats', and 'Chi' (2025) &lt;<a href="https://doi.org/10.48550%2FarXiv.2501.02228" target="_top">doi:10.48550/arXiv.2501.02228</a>&gt;, 'Pereyra' (2016) &lt;<a href="https://doi.org/10.1111%2Fsjos.12208" target="_top">doi:10.1111/sjos.12208</a>&gt;, 'Durmus' and others (2022) &lt;<a href="https://doi.org/10.1214%2F22-EJS2027" target="_top">doi:10.1214/22-EJS2027</a>&gt;, 'Chen' and 'Shao' (1999) &lt;<a href="https://doi.org/10.1214%2Fss%2F1009211804" target="_top">doi:10.1214/ss/1009211804</a>&gt;, 'Roberts' and 'Rosenthal' (1998) &lt;<a href="https://doi.org/10.1214%2Faoap%2F1028903378" target="_top">doi:10.1214/aoap/1028903378</a>&gt;, 'Geweke' (1989) &lt;<a href="https://doi.org/10.2307%2F2290062" target="_top">doi:10.2307/2290062</a>&gt;, 'Hesterberg' (1995) &lt;<a href="https://doi.org/10.1080%2F00031305.1995.10476138" target="_top">doi:10.1080/00031305.1995.10476138</a>&gt;, and 'Balakrishnan' and 'Aggarwala' (2000, ISBN:978-0-8176-4001-9).

cran.r-project.org

New on CRAN: fracreg (1.0.1). View at https://CRAN.R-project.org/package=fracreg

fracreg: Fractional Response Regressions

Provides routines for the estimation and specification analysis of fractional response models. Includes univariate one-part, two-part, and double-inflated three-part fractional models. Further incorporates estimators for panel data settings and addresses unobserved heterogeneity and endogeneity via correlated random effects and control function approaches. Extends fractional methodology to multivariate data via fractional multinomial logit models and handles high-dimensional multicollinear data via fractional ridge regression. Calculates analytical partial effects across all model types and includes generalised goodness-of-functional-form (GGOFF) and Regression Equation Specification Error Test (RESET) hypothesis tests. Methods are described in Papke and Wooldridge (1996) &lt;<a href="https://doi.org/10.1002/(SICI)1099-1255(199611)11:6%3C619::AID-JAE418%3E3.0.CO;2-1" target="_top">doi:10.1002/(SICI)1099-1255(199611)11:6%3C619::AID-JAE418%3E3.0.CO;2-1</a>&gt;, Papke and Wooldridge (2008) &lt;<a href="https://doi.org/10.1016%2Fj.jeconom.2008.05.009" target="_top">doi:10.1016/j.jeconom.2008.05.009</a>&gt;, Buis (2008) &lt;<a href="http://maartenbuis.nl/software/likelihoodFmlogit.pdf" target="_top">http://maartenbuis.nl/software/likelihoodFmlogit.pdf</a>&gt;, Ramalho, Ramalho and Murteira (2011) &lt;<a href="https://doi.org/10.1111%2Fj.1467-6419.2009.00602.x" target="_top">doi:10.1111/j.1467-6419.2009.00602.x</a>&gt;, Fang and Ma (2013) &lt;<a href="https://doi.org/10.1080%2F02664763.2012.758246" target="_top">doi:10.1080/02664763.2012.758246</a>&gt;, Mullahy (2015) &lt;<a href="https://doi.org/10.1515%2Fjem-2012-0006" target="_top">doi:10.1515/jem-2012-0006</a>&gt;, Murteira and Ramalho (2016) &lt;<a href="https://doi.org/10.1080%2F07474938.2013.806849" target="_top">doi:10.1080/07474938.2013.806849</a>&gt;, and Rokem and Kay (2020) &lt;<a href="https://doi.org/10.1093%2Fgigascience%2Fgiaa133" target="_top">doi:10.1093/gigascience/giaa133</a>&gt;.

cran.r-project.org