Research Article

Nonlinear Forecasting Model regarding Evolutional Risk of the PPP Project

Table 1

The original risk data of The Yiyang-Loudi High Speed PPP Project.

Year/
Quarter
The observed value of overall risk ()The superiority and stability evaluation value of macro environment ()The superiority and stability evaluation value of micro environment ()The evaluation value of subject ability and cooperation level ()

2014/1-4.2%×100=4.298.191.993.8
2014/2-5.5%×100=5.599.392.286.6
2014/3-3.3%×100=3.399.691.594.3
2014/4-9.4%×100=9.495.483.586.9
2015/1-12.7%×100=12.791.479.381.8
2015/2-13.3%×100=13.390.976.676.5
2015/3-14.1%×100=14.1%91.271.978.4
2015/4-6.8%×100=6.8%94.586.987.1
2016/1-5.7%×100=5.7%96.289.185.5
2016/2-6.2%×100=6.2%94.688.586.2
2016/3-10.9%×100=10.9%93.380.783.7
2016/4-12.2%×100=12.2%92.481.281.5
2017/1-12.8%×100=12.8%91.178.983.9
2017/2-15.3%×100=15.3%89.272.273.1
2017/3-13.1%×100=13.190.877.379.6
2017/4-14.3%×100=14.391.973.478.9