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RAMpath

0.5.1Package record

Structural Equation Modeling Using the Reticular Action Model (RAM) Notation

0packages depend
2.6Kdownloads / year
–test coverage
11/13flavors OK

Overview

About

We rewrite of RAMpath software developed by John McArdle and Steven Boker as an R package. In addition to performing regular SEM analysis through the R package lavaan, RAMpath has unique features. First, it can generate path diagrams according to a given model. Second, it can display path tracing rules through path diagrams and decompose total effects into their respective direct and indirect effects as well as decompose variance and covariance into individual bridges. Furthermore, RAMpath can fit dynamic system models automatically based on latent change scores and generate vector field plots based upon results obtained from a bivariate dynamic system. Starting version 0.4, RAMpath can conduct power analysis for both univariate and bivariate latent change score models.

Install

Health

CRAN checks
2NOTE11OK
Check messages
NOTECRAN incoming feasibilityr-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Maintainer: ‘Zhiyong Zhang <zzhang4@nd.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Zhiyong",
                      family = "Zhang",
                      role = c("aut", "cre"),
                      email = "zzhang4@nd.edu"),
               person(given = "Jack",
                      family = "McArdle",
                      role = "aut"),
               person(given = "Aki",
                      family = "Hamagami",
                      role = "aut"),
               person(given = c("&", "Kevin"),
                      family = "Grimm",
                      role = "aut"))
as necessary.

CRAN check page ↗

Slowest check: 1.4 min · r-oldrel-windows-x86_64
Status changes
  • NOTE11 OK, 2 NOTE2026-09-08
  • ERROR10 OK, 2 NOTE, 1 ERROR2026-09-07
  • NOTE12 OK, 2 NOTE2026-03-10
Advisories

none known

Documentation

Documentation signals are not tracked yet for this package.

Downloads

2.6K
CRAN downloads in the past year
Rank #19,856 · ~7/day · ~218/mo
RAMpath
Daily download trend is not available in this view yet.
28830 days
65890 days
2.6K1 year
Compare downloads with other packages →
Also on66 r2u6 autocran

Dependencies

Declared dependencies
2 external dependencies (excludes base and recommended)

Installing RAMpath adds 6 packages (3 with compiled code, 1.9 MB of source tarballs). Heaviest: lavaan 1.6 MB, ellipse 157 KB, numDeriv 74 KB.

Depends (4)
R >= 2.0lavaanellipseMASS
Imports (0)
none
LinkingTo (0)
none
Suggests (0)
none
Enhances (0)
none
Reverse dependencies
0direct
0indirect

Nothing depends on this yet.

Datasets

People & History

People (0)

Author records are not tracked yet for this package.

Maintainer since 0.1.5 (2012)

Listed in earlier versions (5)
Show 5 peopleHide 5 people
no longer listed · 0.2 to 0.5.1
no longer listed · 0.2 to 0.5.1
no longer listed · 0.1.5 to 0.5.1
Johnny Zhang
no longer listed · 0.1.5
no longer listed · 0.2 to 0.5.1
Releases (8)
  • 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
  • 0.5.1Latest
    2023-08-27 · current release · diff ↗
  • 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
  • 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
  • 2016-10-05 · diff ↗ ·
    added 2 exports
    powerLCS, powerBLCS
  • R
    R 3.3.0 released · 2016-05-03
  • R
    R 3.2.0 released · 2015-04-16
  • R
    R 3.1.0 released · 2014-04-10
  • 0.3.8
    2014-01-22 · diff ↗
Show 7 earlier eventsHide 7 earlier events

Package metadata

First published
2012-10-08
Total releases
8 / 14 yrs
License
GPL-2 OSI
Download size
78 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("RAMpath")

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 RAMpath version 0.5.1 [Data set]. HJJB, LLC. Data release v2026-10-19. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-19, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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