EFECTAS it is open source program R, which integrates the three existing R program packages BIFIEsurvey, Edsurvey and intsvy. EFECTAS should help non-informatics researchers perform International Large-Scale Assessment (ILSA) data PISA (Programme for International Student Assessment), TIMSS (Trends in International Mathematics and Science Study) and PIRLS (Progress in International Reding Literacy Study) analysis easier. Program provides:
- Descriptive statistics;
- Pearson and Spearman correlation;
- Linear and Logistic regression;
- Multilevel analysis;
How to use program EFECTAS?
The computer must have the open source program R installed.
RStudio is installed for friendly environment.
Download EFECTAS and unzip it.
In RStudio, select File-> Open Project and open EFECTAS.Rproj
When the project opens, select EFECTAS.R
More detailed use of the program EFECTAS is given in the manual.