# R Analyzer for Large-Scale Assessments

## Documentation for package ‘RALSA’ version 1.6.2

- DESCRIPTION file
- Package NEWS
- Package README

## Help Pages

RALSA-package | R Analyzer for Large-Scale Assessments (RALSA)
lsa.aggregate.vars | Aggregate variables in LSA datasets
lsa.bench | Compute percentages of respondents reaching or surpassing certain ability cut-off scores
lsa.bin.log.reg | Compute binary logistic regression coefficients specified groups
lsa.convert.data | Convert Large-Scale Assessments' Datasets to .RData Format
lsa.corr | Compute correlations between variables within specified groups
lsa.crosstabs | Compute crosstabulations and design corrected chi-square statistics
lsa.cut.vars | Cut continuous variables into discrete categorical
lsa.data.diag | Produce data diagnostic tables
lsa.download.data | Download large-scale assessment and survey data
lsa.lin.reg | Compute linear regression coefficients specified groups
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.prctls | Compute percentiles of continuous variables within groups
lsa.recode.vars | Recode variables in large-scale assessments' data sets
lsa.select.countries.PISA | Convert Large-Scale Assessments' Datasets to .RData Format
lsa.vars.dict | Produce dictionary for large-scale assessments data variables
print.lsa.data | Convert Large-Scale Assessments' Datasets to .RData Format
RALSA | R Analyzer for Large-Scale Assessments (RALSA)
ralsaGUI | Start RALSA's Graphical User Interface (GUI)
ralsaGUIfailsafe | Start RALSA's Graphical User Interface (GUI) in a failsafe mode