Category Archives: Uncategorized

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March 17, 2026

Today, the R Analyzer for Large-Scale Assessments (RALSA) package for the R statistical environment has been updated to version 1.6.5. This version brings support for TIMSS 2023 Longitudinal and two bug…

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January 30, 2026

Today, the R Analyzer for Large-Scale Assessments (RALSA) package for the R statistical environment has been updated to version 1.6.2. This version upgrades the computation of the t-test statistics degrees of freedom in the linear regression and correlations, and fixes…

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November 26, 2025

Today, the R Analyzer for Large-Scale Assessments (RALSA)package for the R statistical environment has been updated to version 1.6.0.  This version brings two new data preparation functionalities, a number of bug fixes and improvements. The two new functions…

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February 24, 2025

Today, the R Analyzer for Large-Scale Assessments (RALSA) package for the R statistical environment has been updated to version 1.5.5, bringing a desirable convenience feature. When large-scale assessments’ data are needed, an entire database with all data files, documentation and reports has to be downloaded. It would be nice if one is able to download only the data files for a country per study, cycle, and population of interest, but nothing else. This version…

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April 26, 2024

The R Analyzer for Large-Scale Assessments (RALSA) has been updated to version 1.4.5. This update fixes a number of issues in the graphing capabilities of the descriptive functions and the GUI. In addition to these fixes…

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October 26, 2023

RALSA has been updated to version 1.3.7. This update focuses mainly on some critical issues that were introduced after the changes in the last versions of R and CRAN policies on package documentation.
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June 23, 2023

RALSA has been updated to version 1.3.5. This update focuses on adding more functionality to the existing graph capabilities, bug fixes and overall improvement of the workflow, and fixes existing features following updates of packages RALSA depends on. Saving syntaxes from the GUI now appends the new synatx to existing files instead of overwriting them. Support for PIRLS 2021 is now added. Here is the full list of changes…
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July 8, 2022

RALSA has been updated to version 1.3.0. This update focuses mainly on bugfixes and improvements in the GUI and its workflow, but also introduces some new features.

New functionality

  • The lsa.crosstabs function…

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