A Novel Method for Evaluating Dredging Productivity Using a Data Envelopment Analysis-Based Technique

Table 4

Dredging assessment results for the traditional dredging productivity assessment method and proposed method.

Work day	Traditional dredging productivity method		Proposed method
	Dredging productivity result	Dredging productivity result/One-day high dredging productivity	1 input result	3 input result
1	3950.526	0.751	0.751	0.952
2	3986.053	0.758	0.758	0.961
3	3118.500	0.593	0.593	0.999
4	3120.333	0.593	0.593	1.000
5	5259.375	1.000	1.000	1.000
6	3960.000	0.753	0.753	0.965
7	3121.875	0.594	0.594	0.992
8	2590.754	0.493	0.493	0.920
9	3896.422	0.741	0.741	0.971
10	3905.505	0.743	0.743	0.973
11	2833.792	0.539	0.539	0.968
12	2795.773	0.532	0.532	0.964
13	4344.442	0.826	0.826	1.000
14	4299.075	0.817	0.817	1.000
15	2349.905	0.447	0.447	0.892
16	2328.088	0.443	0.443	0.890
17	3281.461	0.624	0.624	0.994
18	3267.000	0.621	0.621	0.994
19	2316.031	0.440	0.440	0.893
20	2305.725	0.438	0.438	0.892
21	3205.213	0.609	0.609	0.996
22	3188.281	0.606	0.606	1.000
23	2309.589	0.439	0.439	0.907
24	2043.627	0.389	0.389	0.853
25	2049.194	0.390	0.390	0.859
26	2049.363	0.390	0.390	0.863
27	2059.906	0.392	0.392	0.871
28	2078.796	0.395	0.395	0.885
29	2093.000	0.398	0.398	0.896
30	2140.901	0.407	0.407	0.909
31	2175.285	0.414	0.414	0.918
32	2224.286	0.423	0.423	0.931
33	2258.642	0.429	0.429	0.939
34	2294.392	0.436	0.436	0.947
35	2329.345	0.443	0.443	0.955
36	2365.775	0.450	0.450	0.963
37	2402.590	0.457	0.457	0.970
38	2423.212	0.461	0.461	0.973
39	2461.455	0.468	0.468	0.981
40	2482.500	0.472	0.472	0.984
41	2504.192	0.476	0.476	0.987
42	2525.273	0.480	0.480	0.989
43	2548.333	0.485	0.485	0.992
44	2570.806	0.489	0.489	0.995
45	2572.927	0.489	0.489	0.993
46	2597.727	0.494	0.494	0.996
47	2621.975	0.499	0.499	0.999
48	2624.619	0.499	0.499	0.996
49	2649.957	0.504	0.504	0.999
50	2654.348	0.505	0.505	0.997
51	2680.885	0.510	0.510	1.000
52	2685.670	0.511	0.511	1.000
53	2689.054	0.511	0.511	1.000
54	2694.000	0.512	0.512	1.000