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  "Title": "Penalized ECME Estimation for Censored Linear Mixed Models",
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  "Authors@R": "c(\nperson(\n\"Ali Asghar\",\n\"Haeri-Mehrizi\",\nemail = \"haeri.stat@gmail.com\",\nrole = c(\"aut\", \"cre\")\n),\nperson(\n\"Arshia\",\n\"Haeri-Mehrizi\",\nemail = \"haeri.arshia@gmail.com\",\nrole = \"aut\"\n),\nperson(\n\"Adel\",\n\"Mohammadpour\",\nemail = \"adel.mohammadpour@ucalgary.ca\",\nrole = \"rev\"\n)\n)",
  "Description": "Fits Gaussian linear mixed models with a random intercept\nwhen the response is subject to left, right, and/or interval\ncensoring, using the Expectation/Conditional Maximization\nEither (ECME) algorithm of Liu and Rubin (1994) in the spirit\nof the fast censored-response mixed-model algorithm of Vaida\nand Liu (2009). Simultaneous estimation and variable selection\nis supported through coordinate-descent penalized maximization\nwith Lasso, Adaptive Lasso, SCAD, MCP, Elastic Net, and Ridge\npenalties (no penalty is also supported). The random intercept\nis integrated out by Gauss-Hermite quadrature at every\niteration, and the two ECME conditional-maximization steps\nrespectively maximize the expected penalized complete-data\nobjective (for the regression coefficients) and the actual\nobserved-data marginal likelihood (for the variance\ncomponents), which is the defining feature of ECME relative to\nplain ECM/EM. The package provides a single-fit engine, a\nsequential/parallel penalty-parameter grid search with\ninformation-criterion or cross-validated selection,\ndata-dependent or user-supplied lambda grids, and an\nExpectation-Maximization based treatment of a completely\nmissing (at random) response, sharing the same truncated-normal\nmachinery used for censoring. References: Liu and Rubin (1994)\n\"The ECME algorithm: A simple extension of EM and ECM with\nfaster monotone convergence\" <doi:10.1093/biomet/81.4.633>;\nVaida and Liu (2009) \"Fast Implementation for Normal Mixed\nEffects Models With Censored Response\"\n<doi:10.1198/jcgs.2009.07130>.",
  "License": "MIT + file LICENSE",
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        "pecme"
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