{ "_id": "6a104917acfb0bcc41c9f604", "Package": "wsMed", "Title": "Within-Subject Mediation Analysis Using Structural Equation\nModeling", "Version": "1.0.2", "Authors@R": "c(person(given = \"Wendie\",\nfamily =\"Yang\",\nrole = c(\"aut\", \"cre\"),\nemail = \"1581075494q@gmail.com\",\ncomment = c(ORCID = \"0009-0000-8388-6481\")),\nperson(given = \"Shu Fai\",\nfamily = \"Cheung\",\nrole = c(\"aut\"),\nemail = \"shufai.cheung@gmail.com\",\ncomment = c(ORCID = \"0000-0002-9871-9448\")))", "Description": "Within-subject mediation analysis using structural\nequation modeling. Examine how changes in an outcome variable\nbetween two conditions are mediated through one or more\nvariables. Supports within-subject mediation analysis using the\n'lavaan' package by Rosseel (2012) ,\nand extends Monte Carlo confidence interval estimation to\nmissing data scenarios using the 'semmcci' package by Pesigan\nand Cheung (2023) .", "License": "GPL (>= 3)", "Encoding": "UTF-8", "RoxygenNote": "7.3.3", "Config/testthat/edition": "3", "VignetteBuilder": "knitr", "LazyData": "true", "URL": "https://yangzhen1999.github.io/wsMed/", "BugReports": "https://github.com/Yangzhen1999/wsMed/issues", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-10 08:39:57 UTC", "User": "root" }, "Author": "Wendie Yang [aut, cre] (ORCID:\n), Shu Fai Cheung [aut]\n(ORCID: )", "Maintainer": "Wendie Yang <1581075494q@gmail.com>", "Config/pak/sysreqs": "cmake make libicu-dev libssl-dev libx11-dev\nzlib1g-dev", "Repository": "https://yangzhen1999.r-universe.dev", "Date/Publication": "2025-12-16 02:45:53 UTC", "RemoteUrl": "https://github.com/yangzhen1999/wsmed", "RemoteRef": "HEAD", "RemoteSha": 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Difference Model Description", "1.1 Regression for ( Y_{\\text{diff}} ) and ( M_{\\text{diff}} )", "2. Indirect Effects", "2.1 Examples of Indirect Effects", "3. Total Effect", "4. Comparison of Indirect Effects", "4.1 Comparing Indirect Effects", "Interpretation:", "4.2 Example: Three Mediators ( M_1, M_2, M_3 )", "Indirect Effects", "Comparisons", "The indirect effects are compared as follows:[CI_{1\\text{vs}2} = \\text{indirect}1 - \\text{indirect}2][CI{1\\text{vs}3} = \\text{indirect}1 - \\text{indirect}3][CI{2\\text{vs}3} = \\text{indirect}2 - \\text{indirect}3][CI{1\\text{vs}12} = \\text{indirect}1 - \\text{indirect}{12}][CI{1\\text{vs}23} = \\text{indirect}1 - \\text{indirect}{23}][CI{1\\text{vs}123} = \\text{indirect}1 - \\text{indirect}{123}][CI{2\\text{vs}12} = \\text{indirect}2 - \\text{indirect}{12}][CI_{2\\text{vs}23} = \\text{indirect}2 - \\text{indirect}{23}][CI_{2\\text{vs}123} = \\text{indirect}2 - \\text{indirect}{123}][CI_{3\\text{vs}12} = \\text{indirect}3 - \\text{indirect}{12}][CI_{3\\text{vs}23} = \\text{indirect}3 - \\text{indirect}{23}][CI_{3\\text{vs}123} = \\text{indirect}3 - \\text{indirect}{123}][CI_{12\\text{vs}23} = \\text{indirect}{12} - \\text{indirect}{23}][CI_{12\\text{vs}123} = \\text{indirect}{12} - \\text{indirect}{123}][CI_{23\\text{vs}123} = \\text{indirect}{23} - \\text{indirect}{123}]", "5. 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