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NADA

1.6-1.2Package record

Nondetects and Data Analysis for Environmental Data

1packages depend
33.7Kdownloads / year
–test coverage
13/13flavors OK

Overview

About

Contains methods described by Dennis Helsel in his book "Nondetects And Data Analysis: Statistics for Censored Environmental Data".

Install

Health

CRAN checks
13OK
Slowest check: 2.3 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

Documentation

In release 1.6-1.2
READMENoVignettesNoNEWSNoCitation fileNoWebsitenot declared in DESCRIPTION
Help pages
77 (1 internal)
Examples that run
100%19 run in a plain check
Exported functions with examples
94%
Documented parameters
93%
Return-value docs
88%
Help pages citing references
53%

Downloads

33.7K
CRAN downloads in the past year
Rank #1,587 · ~92/day · ~2.8K/mo
Daily download trend is not available in this view yet.
5K30 days
14.8K90 days
33.7K1 year
Compare downloads with other packages →
Also on1.1K r2u3 autocran5.2K conda_forge211 c2d4u

Dependencies

Declared dependencies
0 external dependencies (excludes base and recommended)

Installing NADA adds no packages beyond those that come with R.

Depends (3)
R >= 2.10methodssurvival
Imports (0)
none
LinkingTo (0)
none
Suggests (0)
none
Enhances (0)
none
Reverse dependencies
1direct
8indirect
Depends 1
Depends, Imports or LinkingTo, most downloaded first

Datasets

People & History

People (1)
Author, Maintainer since 1.0-1
Releases (20)

Pick two releases to compare their code metrics.

  • R
    R 4.6.0 released · 2026-04-24
  • unarchivedReturned to CRAN
    2025-08-29
  • 1.6-1.2Latest
    record
    2025-08-29 · current release · diff ↗
  • archivedRemoved from CRAN
    2025-07-10
    issues were not corrected despite reminders
  • R
    R 4.5.0 released · 2025-04-11
  • R
    R 4.4.0 released · 2024-04-24
  • R
    R 4.3.0 released · 2023-04-21
  • R
    R 4.2.0 released · 2022-04-22
  • R
    R 4.1.0 released · 2021-05-18
  • R
    R 4.0.0 released · 2020-04-24
  • 1.6-1.1
    record
    2020-03-22 · diff ↗
  • R
    R 3.6.0 released · 2019-04-26
  • R
    R 3.5.0 released · 2018-04-23
  • R
    R 3.4.0 released · 2017-04-21
  • 1.6-1
    record
    2017-03-31 · diff ↗
  • R
    R 3.3.0 released · 2016-05-03
Show 37 earlier eventsHide 37 earlier events
  • R
    R 3.2.0 released · 2015-04-16
  • R
    R 3.1.0 released · 2014-04-10
  • 1.5-6
    record
    2013-12-06 · diff ↗
  • 1.5-5
    record
    2013-07-26 · diff ↗
  • R
    R 3.0.0 released · 2013-04-03
  • R
    R 2.15.0 released · 2012-03-30
  • 1.5-4
    record
    2012-03-16 · diff ↗
  • R
    R 2.14.0 released · 2011-10-31
  • R
    R 2.13.0 released · 2011-04-13
  • 1.5-3
    record
    2010-12-22 · diff ↗
  • R
    R 2.12.0 released · 2010-10-15
  • R
    R 2.11.0 released · 2010-04-22
  • R
    R 2.10.0 released · 2009-10-26
  • 1.5-2
    record
    2009-05-24 · diff ↗ ·
    added 1 export
    cohn
  • R
    R 2.9.0 released · 2009-04-17
  • R
    R 2.8.0 released · 2008-10-20
  • R
    R 2.7.0 released · 2008-04-22
  • R
    R 2.6.0 released · 2007-10-03
  • 1.5-1
    record
    2007-09-27 · diff ↗
  • R
    R 2.5.0 released · 2007-04-24
  • 1.5-0
    record
    2006-12-19 · diff ↗
  • R
    R 2.4.0 released · 2006-10-03
  • 1.4-1
    record
    2006-08-19 · diff ↗
  • 1.4-0
    record
    2006-08-03 · diff ↗ ·
    removed 2 exports
    pct.censored, lros
    added 6 exports
    pctCen, cenken, cenboxplot, cenxyplot, censummary, censtats
  • R
    R 2.3.0 released · 2006-04-24
  • 1.3-0
    record
    2006-03-16 · diff ↗ ·
    added 4 exports
    cenmle, cenreg, cenros, lros
  • R
    R 2.2.0 released · 2005-10-06
  • 1.2-2
    record
    2005-08-05 · diff ↗
  • 1.2-1
    record
    2005-05-30 · diff ↗
  • 1.2-0
    record
    2005-05-22 · diff ↗ ·
    added 10 exports
    NADAprobs, splitQual, pct.censored, Cen, cenfit, cendiff, ros, hc.ppoints, hc.ppoints.cen, hc.ppoints.uncen
  • R
    R 2.1.0 released · 2005-04-18
  • 1.1-2
    record
    2005-03-11 · diff ↗
  • 1.1-1
    record
    2005-02-21 · diff ↗
  • R
    R 2.0.0 released · 2004-10-04
  • 1.0-2
    record
    2004-08-09 · diff ↗
  • 1.0-1
    record
    2004-06-25
  • R
    R 1.9.0 released · 2004-04-12

Package metadata

First published
2004-06-25
Total releases
20 / 22 yrs
License
GPL (>= 2) OSI
Minimum R
≥ 2.10
Bundled data
24 KB / 28 files
Download size
70 KB
Appears in task views

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("NADA")
Lee, L. (2025). NADA: Nondetects and Data Analysis for Environmental Data (Version 1.6-1.2) [Computer software]. https://doi.org/10.32614/CRAN.package.NADA

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.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for NADA version 1.6-1.2 [Data set]. HJJB, LLC. Data release v2026-10-25. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-25, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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