R Observatory: Metrics for nlcs version 1.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

nlcs

1.0Package record

N-LCS: Normative Latent Cognitive Structure

0packages depend

383downloads / year

19.3%test coverage

13/13flavors OK

Overview

About

Maintained by Chen ChenCRAN page ↗

Provides functions to construct a normative latent cognitive structure (N-LCS) from cognitive test data standardized to healthy controls, and to compute cognitive deviation magnitude (CDM) and cognitive deviation angle (CDA). Methods are described in Chen (2026) doi:10.1080/23279095.2026.2691088.

Changes in 1.0

Initial public release.
Implements the core computational components of the N-LCS framework:

HC-reference standardization, one-factor assessment and N-LCS construction,

HC-based whitened covariance space, and calculation of CDM and CDA.

From NEWS.md in the release

Install

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

install.packages("nlcs", 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-nlcs

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

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-nlcs

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-nlcs

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 55 s · r-oldrel-windows-x86_64

Status changes

OK13 OKNow
OK5 OK2026-09-22

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 1.0

READMEYes · 296 wordsVignettesNoNEWSYes · 67% structured · mentions 1.0Citation fileYes · cites a publicationWebsitenot declared in DESCRIPTION

Help pages: 4
Examples that run: 100%4 run in a plain check
Exported functions with examples: 100%
Documented parameters: 100%
Return-value docs: 100%
Help pages citing references: 0%

How these are measured

Downloads

383

CRAN downloads in the past year

Rank #25,184 · ~1/day · ~32/mo

Releases R versions

Daily download trend is not available in this view yet.

38330 days

38390 days

3831 year

Compare downloads with other packages →

Also on5 r2u1 autocran

How downloads are counted

Dependencies

Declared dependencies

3 external dependencies (excludes base and recommended)

Installing nlcs adds 34 packages (17 with compiled code, 24 MB of source tarballs). Heaviest: ggplot2 6.0 MB, Rcpp 1.8 MB, GPArotation 1.6 MB.

Depends (1)

R >= 4.1.0

Imports (4)

EFAtools psychstatsutils

LinkingTo (0)

none

Suggests (1)

testthat

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

People & History

People (1)

Chen Chen

Author, Maintainer since 1.0 (2026)

Releases (1)

1.0Latest
record
2026-09-21 · current release
R
R 4.6.0 released · 2026-04-24

Package metadata

First published: 2026-09-21
Total releases: 1 / 1 yrs
License: GPL-3 OSI
Minimum R: ≥ 4.1.0
Download size: 8.8 KB

Cite

Cite this package

Run in R for the authors' entry:

citation("nlcs")

The package provides a citation file, so citation() returns the authors' own entry.

It points to 10.1080/23279095.2026.2691088.

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 nlcs version 1.0 [Data set]. HJJB, LLC. Data release v2026-10-20. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-20, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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