CRAN . RSTUDIO . COM {}

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We are analyzing https://cran.rstudio.com/web/packages/psych/index.html.

Title:
CRAN: Package psych
Description:
A general purpose toolbox developed originally for personality, psychometric theory and experimental psychology. Functions are primarily for multivariate analysis and scale construction using factor analysis, principal component analysis, cluster analysis and reliability analysis, although others provide basic descriptive statistics. Item Response Theory is done using factor analysis of tetrachoric and polychoric correlations. Functions for analyzing data at multiple levels include within and between group statistics, including correlations and factor analysis. Validation and cross validation of scales developed using basic machine learning algorithms are provided, as are functions for simulating and testing particular item and test structures. Several functions serve as a useful front end for structural equation modeling. Graphical displays of path diagrams, including mediation models, factor analysis and structural equation models are created using basic graphics. Some of the functions are written to support a book on psychometric theory as well as publications in personality research. For more information, see the <<a href="https://personality-project.org/r/" target="_top">https://personality-project.org/r/</a>> web page.
Website Age:
27 years and 1 months (reg. 1998-05-15).

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Science
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Content Management System {📝}

What CMS is cran.rstudio.com built with?

Custom-built

No common CMS systems were detected on Cran.rstudio.com, and no known web development framework was identified.

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What is the average monthly size of cran.rstudio.com audience?

🚀 Good Traffic: 50k - 100k visitors per month

Based on our best estimate, this website will receive around 50,019 visitors per month in the current month.
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How Does Cran.rstudio.com Make Money? {💸}

We can't see how the site brings in money.

While many websites aim to make money, others are created to share knowledge or showcase creativity. People build websites for various reasons. This could be one of them. Cran.rstudio.com might have a hidden revenue stream, but it's not something we can detect.

Keywords {🔍}

analysis, psych, functions, factor, psychtgz, reverse, psychometric, personality, theory, basic, revelle, gpl, psychzip, rrelease, roldrel, research, developed, statistics, item, correlations, including, validation, scales, structural, equation, models, graphics, page, imports, suggests, psychtools, william, citation, source, binaries, arm, stat, procedures, psychological, general, purpose, toolbox, originally, experimental, psychology, primarily, multivariate, scale, construction, principal,

Topics {✒️}

multiple levels include structural equation modeling structural equation models gz windows binaries including mediation models webr reverse suggests psych results documentation principal component analysis whomds reverse imports canonical form https psychometrics cran checks zip macos binaries item response theory org/package=psych scales developed group statistics reverse depends basic graphics including correlations gparotation suggests psych author /psych-manual factor analysis cluster analysis reliability analysis /psych/ https psychometric theory experimental psychology scale construction polychoric correlations test structures front end graphical displays path diagrams rgraphviz published cre] maintainer pdf needscompilation reference manual pdf vignettes scoring scales r-devel r-release r-oldrel ufs linking r-project personality research //personality-project multivariate analysis analyzing data cross validation

External Links {🔗}(23)

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