retrodesign: Tools for Type S (Sign) and Type M (Magnitude) Errors
Provides tools for working with Type S (Sign) and Type M (Magnitude) errors, as proposed in Gelman and Tuerlinckx (2000) <doi:10.1007/s001800000040> and Gelman & Carlin (2014) <doi:10.1177/1745691614551642>. In addition to simply calculating the probability of Type S/M error, the package includes functions for calculating these errors across a variety of effect sizes for comparison, and recommended sample size given "tolerances" for Type S/M errors. To improve the speed of these calculations, closed forms solutions for the probability of a Type S/M error from Lu, Qiu, and Deng (2018) <doi:10.1111/bmsp.12132> are implemented. As of 1.0.0, this includes support only for simple research designs. See the package vignette for a fuller exposition on how Type S/M errors arise in research, and how to analyze them using the type of design analysis proposed in the above papers.
| Version: | 0.2.2 |
| Depends: | R (≥ 3.1.0) |
| Imports: | graphics |
| Suggests: | ggplot2,knitr,rmarkdown,gridExtra,testthat |
| Published: | 2024-03-28 |
| DOI: | 10.32614/CRAN.package.retrodesign |
| Author: | Andrew Timm [cre, aut], Andrew Gelman [ctb, cph], John Carlin [ctb, cph], Martijn Weterings [ctb] |
| Maintainer: | Andrew Timm <timmandrew1 at gmail.com> |
| BugReports: | https://github.com/andytimm/retrodesign/issues |
| License: | MIT + fileLICENSE |
| URL: | https://github.com/andytimm/retrodesign |
| NeedsCompilation: | no |
| Materials: | README,NEWS |
| CRAN checks: | retrodesign results |
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