陕西省耕地转移对生态系统服务价值的影响
丁振民, 姚顺波
Effects of cultivated land transition on ecosystem service value in Shaanxi Province of China
Zhenmin DING, Shunbo YAO
表5
门槛效应检验
Table 5
Test of threshold effect and threshold values
门槛类型
F
值
P
值
BS
次数
门槛值
置信区间
单一门槛(
pfgc
1)
669.292***
0.007
300
0.013
[0.013,0.014]
双重门槛(
pfgc
1)
1.459**
0.013
300
0.837
[0.837,0.837]
(
pfgc
2)
0.013
[0.013,0.014]
三重门槛(
pfgc
3)
0
0.28
300
0.041
[0.025,0.053]