R Observatory: Metrics for lactater version 0.2.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

lactater

0.2.0Package record

Tools for Analyzing Lactate Thresholds

0packages depend

4Kdownloads / year

48.6%test coverage

13/13flavors OK

Overview

About

Maintained by Felipe Mattioni MaturanaCRAN page ↗

Set of tools for analyzing lactate thresholds from a step incremental test to exhaustion. Easily analyze the methods Log-log, Onset of Blood Lactate Accumulation (OBLA), Baseline plus (Bsln+), Dmax, Lactate Turning Point (LTP), and Lactate / Intensity ratio (LTratio) in cycling, running, or swimming. Beaver WL, Wasserman K, Whipp BJ (1985) doi:10.1152/jappl.1985.59.6.1936. Heck H, Mader A, Hess G, Mücke S, Müller R, Hollmann W (1985) doi:10.1055/s-2008-1025824. Kindermann W, Simon G, Keul J (1979) doi:10.1007/BF00421101. Skinner JS, Mclellan TH (1980) doi:10.1080/02701367.1980.10609285. Berg A, Jakob E, Lehmann M, Dickhuth HH, Huber G, Keul J (1990) PMID 2408033. Zoladz JA, Rademaker AC, Sargeant AJ (1995) doi:10.1113/jphysiol.1995.sp020959. Cheng B, Kuipers H, Snyder A, Keizer H, Jeukendrup A, Hesselink M (1992) doi:10.1055/s-2007-1021309. Bishop D, Jenkins DG, Mackinnon LT (1998) doi:10.1097/00005768-199808000-00014. Hughson RL, Weisiger KH, Swanson GD (1987) doi:10.1152/jappl.1987.62.5.1975. Jamnick NA, Botella J, Pyne DB, Bishop DJ (2018) doi:10.1371/journal.pone.0199794. Hofmann P, Tschakert G (2017) doi:10.3389/fphys.2017.00337. Hofmann P, Pokan R, von Duvillard SP, Seibert FJ, Zweiker R, Schmid P (1997) doi:10.1097/00005768-199706000-00005. Pokan R, Hofmann P, Von Duvillard SP, et al. (1997) doi:10.1097/00005768-199708000-00009. Dickhuth H-H, Yin L, Niess A, et al. (1999) doi:10.1055/s-2007-971105.

Changes in 0.2.0

Added the function lactate_curve() to retrieve data for plotting the lactate curve and heart rate response.

From NEWS.md in the release

Install

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

install.packages("lactater", 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-lactater

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-lactater

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-lactater

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: 1.3 min · r-oldrel-windows-x86_64

Status changes

OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK14 OK2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.2.0

READMEYes · 704 wordsVignettesNoNEWSYes · 100% structured · mentions 0.2.0Citation fileNoWebsitenot declared in DESCRIPTION

Help pages: 35 (30 internal)includes a package overview page
Examples that run: 0%2 never run
Exported functions with examples: 40%
Documented parameters: 100%
Return-value docs: 100%
Help pages citing references: 3%

How these are measured

Downloads

4K

CRAN downloads in the past year

Rank #11,518 · ~11/day · ~334/mo

Releases R versions

Daily download trend is not available in this view yet.

34930 days

93690 days

4K1 year

Compare downloads with other packages →

Also on68 r2u5 autocran

How downloads are counted

Dependencies

Declared dependencies

27 external dependencies (excludes base and recommended)

Installing lactater adds 49 packages (27 with compiled code, 38 MB of source tarballs). Heaviest: stringi 11 MB, ggplot2 6.0 MB, patchwork 3.2 MB.

Depends (1)

R >= 2.10

Imports (14)

magrittr broom dplyr ggplot2 ggtext patchwork lubridate minpack.lm pracma rlang segmented stringr tidyr forcats

LinkingTo (0)

none

Suggests (13)

bsplus covr datapasta glue knitr miniUI rhandsontable rmarkdown shiny shinyjs shinyWidgets spelling testthat (>= 3.0.0)

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

Datasets

People & History

People (1)

Felipe Mattioni Maturana

Author, Maintainer since 0.1.0 (2021)

Releases (5)

Pick two releases to compare their code metrics.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
0.2.0Latest
record
2023-11-16 · current release · diff ↗ ·
added 1 export
lactate_curve
R
R 4.3.0 released · 2023-04-21
0.1.4
record
2023-04-16 · diff ↗
0.1.2
record
2023-02-22 · diff ↗
0.1.1
record
2022-09-08 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.1.0
record
2021-12-03
R
R 4.1.0 released · 2021-05-18

Package metadata

First published: 2021-12-03
Total releases: 5 / 5 yrs
License: MIT + file LICENSE OSI
Minimum R: ≥ 2.10
Bundled data: 0.3 KB / 1 file
Download size: 146 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("lactater")

Format

Mattioni Maturana, F. (2023). lactater: Tools for Analyzing Lactate Thresholds (Version 0.2.0) [Computer software]. https://doi.org/10.32614/CRAN.package.lactater

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

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 lactater version 0.2.0 [Data set]. HJJB, LLC. Data release v2026-10-22. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-22, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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