Márton Bene's book on data analysis in R has been published in Hungarian, with the support of the Artificial Intelligence National Laboratory.
The book can be purchased on the website of the publisher: https://www.typotex.hu/book/13831/bene_marton_adatelemzes_az_r_ben,
or in E-book: https://interkonyv.hu/konyvek/bene-marton-adatelemzes-az-r-ben/.