[请教专家啊:DEA结果中radial movement和slack movement真正区别在哪里啊?我做出结果一个投入指标里面radial movement有值,slack movement也有值,这各代表什么意思?
请高手指教!!!
Results for firm:
25 |
| Technical efficiency = 0.732 |
Scale efficiency
= 0.231
(irs) |
PROJECTION SUMMARY: |
variable
original
radial
slack
projected |
value
movement
movement
value |
output
1
169095.020
0.000
498563.425
667658.445 |
input
1
335010.380
-89646.072
0.000
245364.308 |
input
2
17700.750
-4736.578
-2892.121
10072.051 |
input
3
17257.920
-4618.080
0.000
12639.840 |