Research Article
Nonlinear Forecasting Model regarding Evolutional Risk of the PPP Project
Table 4
The smoothness test of The Yiyang-Loudi High Speed PPP Project risks and variables.
| | Variables | t-Statistic | Prob. | Results under Significance Level | | 1% | 5% | 10% |
| | -1.834031 | 0.3504 | -4.004425 | -3.098896 | -2.690439 | | Unsmooth | Unsmooth | Unsmooth | | -3.079101 | 0.0517 | -4.004425 | -3.098896 | -2.690439 | | Unsmooth | Unsmooth | Unsmooth | | -1.660200 | 0.4297 | -3.959148 | -3.098896 | -2.681330 | | Unsmooth | Unsmooth | Unsmooth | | -2.647012 | 0.1059 | -3.959148 | -3.081002 | -2.681330 | | Unsmooth | Unsmooth | Unsmooth | | -4.339817 | 0.0081 | -4.200056 | -3.175352 | -2.728985 | | Smooth | Smooth | Smooth | | -3.735237 | 0.0207 | -4.004425 | -3.175352 | -2.728985 | | Smooth | Smooth | Smooth | | -3.542382 | 0.0229 | -4.004425 | -3.098896 | -2.690439 | | Smooth | Smooth | Smooth | | -5.360417 | 0.0009 | -4.004425 | -3.098896 | -2.690439 | | Smooth | Smooth | Smooth |
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