The Train Delay Model Developed by the Genetic Programming Algorithm

Table 1

Explanation of the analysed train category abbreviations and the processed amount of data.

Abbreviation	No. of records in the analysed database	Train category
EC	430228	EuroCity express
Ex	374674	Express train
IC	211926	InterCity express
Lv	1118057	Locomotive train
Nex	612071	Freight fast express
Mn	377838	Service train
Os	8220824	Passenger train
Pn	1271189	Unit freight train
R	2454901	Regional train
Sp	550954	Commuter train