Analysis and Prediction of the Interval Duration between the First and Second Accidents considering the Spatiotemporal Threshold

Table 6

Calculation table observed and predicted values of interval duration.

Clustering data set	True value (min)	Predicted value (min)
Sample size	228	228
Average value	42.605	42.273
Standard deviation	23.807	18.010
Minimum	26.000	27.717
25% quantile	30.000	30.021
50% quantile	43.500	43.378
75% quantile	45.000	45.064
Maximum	300.000	136.061