R Observatory: Metrics for npreg version 1.1.1

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

npreg

1.1.1

Nonparametric Regression via Smoothing Splines

2packages depend

8.1Kdownloads / year

–test coverage

13/13checks pass

Overview

About

Maintained by Nathaniel E. HelwigFirst published 2019-08-2512 releasesCRAN page ↗

Multiple and generalized nonparametric regression using smoothing spline ANOVA models and generalized additive models, as described in Helwig (2020) doi:10.4135/9781526421036885885. Includes support for Gaussian and non-Gaussian responses, smoothers for multiple types of predictors (including random intercepts), interactions between smoothers of mixed types, eight different methods for smoothing parameter selection, and flexible tools for diagnostics, inference, and prediction.

Install

R (CRAN)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("npreg", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-npreg

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-npreg

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-npreg

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 2.4 min · r-oldrel-windows-x86_64

Code health

None

Tests · ratio 0.00

not tracked

Coverage

0

Dependencies · direct

Check history

OK2026-08-05
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-08-01
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesNopkgdown siteNoNEWSNoCode of conductNoContributing guideNo

Examples that run: 97%
Documented parameters: not tracked
Return-value docs: not tracked
References docs: 83%

Downloads

8.1K

CRAN downloads in the past year

Rank #6,119 · ~22/day · ~679/mo

Releases R versions

Daily download trend is not available in this view yet.

37630 days

1.4K90 days

8.1K1 year

Compare downloads with other packages →

Also on113 r2u15 autocran

Dependencies

Declared dependencies

1 external dependency (excludes base and recommended)

Depends (0)

none

Imports (0)

none

LinkingTo (0)

none

Suggests (2)

parallelstatmod

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

2direct

0indirect

BSTFA insulin.secretion

Code & Tests

People & History

People (1)

Maintainer (1)

Nathaniel E. Helwig

Author, Maintainer

Authors (1)

Nathaniel E. Helwig

Author, Maintainer

Listed in earlier versions (1)

Nathaniel E.

no longer listed · 1.1.1

Package Timeline

12 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
1.1.1Latest
2026-03-06 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
1.1.0
2024-03-29 · diff ↗
R
R 4.3.0 released · 2023-04-21
1.0-9
2022-07-21 · diff ↗
R
R 4.2.0 released · 2022-04-22
1.0-8
2022-03-31 · diff ↗
1.0-7
2022-02-11 · diff ↗
R
R 4.1.0 released · 2021-05-18
1.0-6
2021-04-23 · diff ↗
1.0-5
2020-11-30 · diff ↗
1.0-4
2020-08-10 · diff ↗
1.0-3
2020-07-06 · diff ↗
1.0-2
2020-05-04 · diff ↗

Show 4 earlier events

R
R 4.0.0 released · 2020-04-24
1.0-1
2019-12-10 · diff ↗
1.0-0
2019-08-25
R
R 3.6.0 released · 2019-04-26

Package metadata

First published: 2019-08-25
Total releases: 12 / 7 yrs
License: GPL (>= 2) OSI
Download size: 133 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("npreg")

Format

Helwig, N. E. (2026). npreg: Nonparametric Regression via Smoothing Splines (Version 1.1.1) [Computer software]. https://doi.org/10.32614/CRAN.package.npreg

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for npreg version 1.1.1 [Data set]. HJJB, LLC. Data release v2026-08-15. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-15, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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