Each HistDataX.csv file refers to a set of historical data. 

Each column refers to an attribute, including:

    Driving distance (km),

    Vehicle speed (km/h),

    Motor output power (W),

    Acceleration padel position (%),

    Traffic status (0, 1, 2,…, 4; the bigger, the heavier),

    Traffic jam direction (-1 opposite direction, 0 unknown, 1 same direction),

    Traffic flow speed (km/h).

The sample rate is 10 Hz.