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Provides a calculator for the two-dimensional clinical Disease Activity index for Psoriatic Arthritis (TwoDcDAPSA), a principal component-derived measure that complements the conventional clinical DAPSA score. The TwoDcDAPSA captures residual variation in patient-reported outcomes (pain and patient global assessment) and joint counts (swollen and tender) after adjusting for standardized cDAPSA using natural spline coefficients derived from published models. Residuals are standardized and combined with fixed principal component loadings to yield a continuous PROs-Joint Contrast (PJC) score and quartile groupings. The package applies pre-specified coefficients and loadings to new datasets but does not estimate spline models or principal components itself.
| Version: | 0.1.0 |
| Depends: | R (≥ 3.6) |
| Imports: | dplyr, splines, rlang |
| Published: | 2025-09-30 |
| DOI: | 10.32614/CRAN.package.TwoDcDAPSA |
| Author: | Ning Meng [aut, cre], Ji Soo Kim [aut], Ana-Maria Orbai [aut], Scott L. Zeger [aut] |
| Maintainer: | Ning Meng <nmeng2 at jh.edu> |
| License: | MIT + file LICENSE |
| NeedsCompilation: | no |
| CRAN checks: | TwoDcDAPSA results |
| Reference manual: | TwoDcDAPSA.html , TwoDcDAPSA.pdf |
| Package source: | TwoDcDAPSA_0.1.0.tar.gz |
| Windows binaries: | r-devel: TwoDcDAPSA_0.1.0.zip, r-release: TwoDcDAPSA_0.1.0.zip, r-oldrel: TwoDcDAPSA_0.1.0.zip |
| macOS binaries: | r-release (arm64): TwoDcDAPSA_0.1.0.tgz, r-oldrel (arm64): not available, r-release (x86_64): TwoDcDAPSA_0.1.0.tgz, r-oldrel (x86_64): TwoDcDAPSA_0.1.0.tgz |
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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.