learningtower 2.0.0

• Hardened load_student() with robust tryCatch error and timeout handling for remote RDS downloads and parsing to comply with CRAN internet resource policies.
• Added skip_on_cran() and skip_if_offline() to remote data unit tests.
• Added PISA 2022 dataset support and expanded school datasets.
• Added missing value summary visualizations in man/figures/.
• Implemented verified MD5 data transfer pipeline for package dataset management.
• Schema alignment across student and school datasets.

learningtower 1.1.1

• Gracefully handle internet resource unavailability during load_student() by skipping downloads instead of throwing errors to comply with CRAN checks.

learningtower 1.1.0

• Added 2022 data set.
• Updates to the README and contributor information.
• Added a NEWS.md file to track changes to the package.
• year column in both the student and the school datasets are changed from a factor column to an integer column.
• school_id column in both the student and the school datasets are changed from a factor column to a character column.