This is supplemental data for conference paper titled "Otvoreni nastavni materijali: Interna iskustva" (eng. "Open educational resources: In-house experiences") of electronic textbooks at the University of Belgrade - School of Electrical Engineering. Paper can be found at Zenodo repositorium (DOI: 10.5281/zenodo.1411134). This repository contains two .ods files (in Serbian and in English) with sample R code to read and plot data.
Two pdf documents are provided for clear view on electronic textbooks at the ETF (University of Belgrade - School of Electrical Engineering). Table1.pdf is in English language and Tabela1.pdf in Serbian.
In addition, R code "presentationCode.R" can be used for production of graphs presented at the PSSOH 2018 (presentation slides can be found at Zenodo repositorium, DOI: 10.5281/zenodo.1468045).