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optic

1.0.1

Simulation Tool for Causal Inference Using Longitudinal Data

0packages depend
2.1Kdownloads / year
59.1%test coverage
13/13checks pass

Overview

About
Maintained by Pedro Nascimento de LimaFirst published 2023-05-262 releasesCRAN page ↗GitHub ↗

Implements a simulation study to assess the strengths and weaknesses of causal inference methods for estimating policy effects using panel data. See Griffin et al. (2021) doi:10.1007/s10742-022-00284-w and Griffin et al. (2022) doi:10.1186/s12874-021-01471-y for a description of our methods.

Install

Health

CRAN checks
13OK
Slowest check: 4.3 min · r-oldrel-windows-x86_64
Code health
Yes
Tests · ratio 0.09
59.1%
Coverage · measured lines
100%
Documentation · exports
14
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
  • OK2026-06-09
    13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • ERROR2026-06-08
    12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
  • OK2026-05-02
    13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
Show 2 earlier snapshots
  • ERROR2026-04-25
    11 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
  • OK2026-03-10
    14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

Documentation
READMEYes · 899 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo
Examples that run
100%
Documented parameters
100%
Return-value docs
100%
References docs
0%

Downloads

2.1K
CRAN downloads in the past year
Rank #19,486 · ~6/day · ~177/mo
Daily download trend is not available in this view yet.
16530 days
58090 days
2.1K1 year
Compare downloads with other packages →
Also on91 r2u21 autocran

Repository

Repository
9Stars
1Forks
5Open issues
0Open PRs
13Releases
405Commits
10Contributors
causal-inferencediff-in-difflongitudinal-datasimulation
License GPL-3.0 · 405 commits · Last activity 2026-07-01

Stars over time

2025-01-17 · 92026-07-07 · 9

Repository practices

Upstream repositoryBeta

7 development-tooling and community-health practices detected across 6 families in the upstream repository

Checks run against github.com/randcorporation/optic on 2026-08-23.

Continuous integration (1)
GitHub Actions
Reproducibility and dev environment (1)
data-raw/
CRAN release process (2)
cran-comments.mdCRAN-SUBMISSION
Docs source (1)
README.Rmd
Show all practices
Lint, format, editor (1)
RStudio project
Git structural (1)
.gitattributes
How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies
13 external dependencies (excludes base and recommended)
Depends (1)
R >= 4.1.0
LinkingTo (0)
none
Enhances (0)
none
Reverse dependencies
0direct
0indirect

Nothing depends on this yet.

Code & Tests

Datasets

People & History

People (6)
Maintainer (1)
Maintainer, Author
Authors (6)
Maintainer, Author
Author, Copyright holder
Copyright holders (1)
Author, Copyright holder
Package Timeline

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

  • 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
  • 1.0.1Latest
    2023-08-08 · current release · diff ↗
  • 1.0.0
    2023-05-26
  • R
    R 4.3.0 released · 2023-04-21

Package metadata

First published
2023-05-26
Total releases
2 / 3 yrs
License
GPL-3 OSI
Minimum R
≥ 4.1.0
Bundled data
11 KB / 1 file
Download size
181 KB
Installed size
not tracked yet
With dependencies
not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("optic")
Nascimento de Lima, P., Griffin, B. A., Grimm, G., Griswold, M., Pane, J., & Scherling, A. (2023). optic: Simulation Tool for Causal Inference Using Longitudinal Data (Version 1.0.1) [Computer software]. https://doi.org/10.32614/CRAN.package.optic

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.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for optic version 1.0.1 [Data set]. HJJB, LLC. Data release v2026-08-23. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-23, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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