A Two-Stage Chance Constrained Approach with Application to Stochastic Intermodal Service Network Design Problems

Table 9

The results of SAA with and .

Sample size N	Average value (US)	Minimal value (US)	Maximal value (US)	Lower bound (US)	Optimality gap (US)	CPU time (s)
20	217,597	192,265	230,281	188,120	4,145.24	2,238
30	217,361	199,175	229,281	188,110	11,065.43	2,846
40	217,121	196,339	236,319	188,100	8,239.25	3,312
50	217,235	209,568	229,389	188,100	21,468.14	4,031
60	215,562	201,749	230,335	188,050	13,698.73	4,715
70	214,351	195,777	233,276	188,040	7,737.16	5,492
80	213,238	194,020	225,302	187,960	6,059.94	6,116
90	213,562	188,930	224,511	187,990	939.85	6,871
100	212,445	194,872	224,198	187,940	6,932.23	7,741