Forecast and Early Warning of Regional Bus Passenger Flow Based on Machine Learning

Table 3

The details of alternative features.

Grid number	t − 3	t − 2	t − 1	T
1	Pop_1_t − 3	Pop_1_t − 3	Pop_1_t_1	Grid
2	Pop_2_t − 3	Pop_2_t − 3	Pop_2_t − 1
…	…	…	…
i	Pop_i_t − 3	Pop_i_t − 3	Pop_i_t − 1