quantregGrowth: Non-Crossing Additive Regression Quantiles and Non-Parametric Growth Charts
Fits non-crossing regression quantiles as a function of linear covariates and multiple smooth terms, including varying coefficients, via B-splines with L1-norm difference penalties. Random intercepts and variable selection are allowed via the lasso penalties. The smoothing parameters are estimated as part of the model fitting, see Muggeo and others (2021) <doi:10.1177/1471082X20929802>. Monotonicity and concavity constraints on the fitted curves are allowed, see Muggeo and others (2013) <doi:10.1007/s10651-012-0232-1>, and also <doi:10.13140/RG.2.2.12924.85122> or <doi:10.13140/RG.2.2.29306.21445> some code examples.
| Version: | 1.7-2 |
| Depends: | R (≥ 3.5.0), quantreg, splines, SparseM, methods |
| Suggests: | knitr, rmarkdown, mgcv, markdown |
| Published: | 2025-10-06 |
| DOI: | 10.32614/CRAN.package.quantregGrowth |
| Author: | Vito M. R. Muggeo 
[aut, cre] |
| Maintainer: | Vito M. R. Muggeo <vito.muggeo at unipa.it> |
| License: | GPL-2 | GPL-3 [expanded from: GPL] |
| NeedsCompilation: | no |
| Citation: | quantregGrowth citation info |
| Materials: | NEWS |
| In views: | Environmetrics |
| CRAN checks: | quantregGrowth results |
Documentation:
Downloads:
| Package source: | quantregGrowth_1.7-2.tar.gz |
| Windows binaries: | r-devel: quantregGrowth_1.7-2.zip, r-release: quantregGrowth_1.7-2.zip, r-oldrel: quantregGrowth_1.7-2.zip |
| macOS binaries: | r-release (arm64): quantregGrowth_1.7-2.tgz, r-oldrel (arm64): quantregGrowth_1.7-2.tgz, r-release (x86_64): quantregGrowth_1.7-2.tgz, r-oldrel (x86_64): quantregGrowth_1.7-2.tgz |
| Old sources: | quantregGrowth archive |
Reverse dependencies:
| Reverse imports: | quantCurves |
Linking:
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