Mennyit Késik?
Band-aiding the train delay problem in Hungary with a machine learning solution.
Hungarian State Railways
Resolve “Request could not be fulfilled” error upon payment in Hungarian State Railways’ Android application
A case study about fixing an issue that prevents numerous people from buying tickets in the official Android application of Hungarian State Railways.
Collection of railway traffic data
A short summary of the data collection process I have been using since the beginning of 2019 in order to acquire a railway traffic dataset.