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normref: Continuous Norming
A toolbox for calculating continuous norms for psychological tests, where the norms can be age-dependent. The norms are based Generalized Additive Models for Location, Scale, and Shape (GAMLSS) for the test scores in the normative sample. The package includes functions for model selection, reliability estimation, and calculating norms, including confidence intervals. For more details, see Timmerman et al. (2021) <doi:10.1037/met0000348>.
| Version: |
0.0.0.1 |
| Depends: |
R (≥ 3.5.0) |
| Imports: |
gamlss, gamlss.dist, ggplot2, openxlsx2, rlang, Rdpack, stats, utils, withr |
| Suggests: |
knitr, rmarkdown, testthat (≥ 3.0.0), gamlss.tr, future, future.apply |
| Published: |
2025-10-06 |
| DOI: |
10.32614/CRAN.package.normref |
| Author: |
Klazien de Vries 
[aut],
Hannah Heister
[aut],
Julian Urban
[aut],
Lieke Voncken
[ctb],
Marieke Timmerman
[aut, cre] |
| Maintainer: |
Marieke Timmerman <m.e.timmerman at rug.nl> |
| License: |
GPL (≥ 3) |
| NeedsCompilation: |
no |
| Materials: |
README, NEWS |
| CRAN checks: |
normref results |
Documentation:
Downloads:
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.