RALSA

R Analyzer for Large-Sacale Assessments

Package for preparing and analyzing data from large-scale assessments.

Installation

RALSA is hosted on CRAN and can be installed from within R using:

install.packages("RALSA", dependencies = TRUE)

Websites

The main INERI website

RALSA's dedicated website

Contact

For questions, feature requests, training requests and bug reports, please write to ralsa@ineri.org

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Version

Install

install.packages('RALSA')

Monthly Downloads

392

Version

1.5.5

License

GPL-2

Maintainer

Plamen V. Mirazchiyski

Last Published

February 24th, 2025

Functions in RALSA (1.5.5)

lsa.corr

Compute correlations between variables within specified groups

lsa.download.data

Download large-scale assessment and survey data

lsa.bench

Compute percentages of respondents reaching or surpassing certain ability cut-off scores

lsa.crosstabs

Compute crosstabulations and design corrected chi-square statistics

lsa.data.diag

Produce data diagnostic tables

lsa.convert.data

Convert Large-Scale Assessments' Datasets to .RData Format

lsa.convert.data2

Convert Large-Scale Assessments' Datasets to .RData Format

RALSA

R Analyzer for Large-Scale Assessments (RALSA)

lsa.lin.reg

Compute linear regression coefficients specified groups

lsa.bin.log.reg

Compute binary logistic regression coefficients specified groups

ralsaGUI

Start RALSA's Graphical User Interface (GUI)

lsa.prctls

Compute percentiles of continuous variables within groups

lsa.vars.dict

Produce dictionary for large-scale assessments data variables

ralsaGUIfailsafe

Start RALSA's Graphical User Interface (GUI) in a failsafe mode

lsa.merge.data

Merge study data from different countries and/or respondents

lsa.pcts.means

Compute percentages of respondents in groups and/or means (arithmetic average, median or mode) on continuous variables within specified groups

lsa.recode.vars

Recode variables in large-scale assessments' data sets