Intsvy
A simple tool for analyzing data from PISA, TIMSS, and PIRLS studies – enables descriptive statistics and modeling suitable for less complex analyses.
Basic functionalities
Data loading
- Simplified loading of PISA, TIMSS, and PIRLS data
- Basic variable identification
- Simple file merging
Data exploration
- Basic variable search
- Simple frequency analyses
- Basic summary statistics
- Standard cross-tabulations
Data management
- Basic subset creation
- Simple variable recoding
Descriptive analyses
- Standard achievement analyses
- Basic percentile analyses
- Simple correlation analyses
- Basic achievement gap analysis
Modeling
- Simple linear models
- Simple multivariable analyses
- Simple logistic regression models
More information about the Intsvy package is available here.
Tutorial: "Analysis of ILSA data using the R intsvy package" is available here.
Thematic analysis: "PISA case study analysis with intsvy" here.