Table 2.

Extracted data for decision tree analysis.

Predictor variables for decision tree analysis	Need for dataset inclusion
Day of a week	To account for the ambulances nonstationary nature
Hour in a day	To account for the ambulances nonstationary nature
Number of calls received in a day	To account for the effect of call volumes
Clear rate of an ambulance at Emergency Department per hour	To account for the effect of call volumes
Number of Ambulances Currently in Emergency Department	To account for the current status of Ambulance