ILSAmerge 1.3.8
- Solved an issue with 
mistoNAs() when haven was not
loaded. 
- Solved an issue for weird behavior of 
mistoNAs() with
ICILS 2013. 
- Solved an issue with 
ILSAready() when filetype is not
declared. 
- Fixed a bug in 
untibble(). 
- Fixed a bug in 
addSchools(). 
Remaining issues
- No unzip of PISA and TALIS downloads.
 
ILSAmerge 1.3.6
- Added support for TIMSS 2023.
 
- Added support for ICILS 2020 Teacher Panel.
 
- Added support for ICILS 2023.
 
- Fixed bug in 
justload(). 
- Fixed bug in 
readILSA(). 
ILSAmerge 1.3.5
- Fixed an issue for saving ‘SPSS’ files.
 
- Added new functions for tibble management:
asthistibble(), get.atr(),
get.nas(), get.varlab(),
mistoNAs(), untibble(), and
whichcol(). 
ILSAmerge 1.3.0
- Added 
ILSAready() and ILSAreadylocal() as
wrappers for downloading, merging, combining respondents, and
renaming. 
ILSAmerge 1.2.5
- Added 
combineStudents() for combining achievement and
background questionnaires. 
- Added 
addSchools() for adding school data. 
- Added labels to countries and creates variables with country codes
and country names.
 
ILSAmerge 1.0.5
- Added 
ILSArename() for creating comprehensible file
names. 
- Fixed a problem caused by PIRLS 2021 having an empty dataset.
 
- Fixed a problem with merging dates for TIMSS 2011.
 
- Fixed a problem originated from PIRLS 2001 with its multiple
capitalization styles.
 
ILSAmerge 1.0.1
- Added extensive new documentation.
 
- Added 
availableILSA() to check which ILSA can be
downloaded. 
ILSAmerge 1.0.0
- CRAN submission.
 
- Added PISA and TALIS to 
ILSAdownload(). 
ILSAdownload() connects to GitHub to check for most
recent links. 
ILSAmerge 0.8.4
- Fixed internal argument checks.
 
- Added 
ILSAdownload() for downloading ILSA ‘SPSS’
datasets. 
ILSAmerge 0.8.1
- Added 
justload() to load files in a list but not merge
them or save them. 
ILSAmerge 0.8.0