R Analyzer for Large-Scale Assessments


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Documentation for package ‘RALSA’ version 1.7.0

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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 within 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.quant.reg Compute quantile regression coefficients within specified 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