Forecasting Civil Aviation Incident Rate in China Using a Combined Prediction Model

Table 5

The prediction and fitting data of the Holt-Winters model.

Years	Actual data	Forecast data	Error	Accuracy
2008	0.303	0.320	−0.017	94.39%
2009	0.324	0.316	0.008	97.53%
2010	0.384	0.363	0.021	94.53%
2011	0.411	0.424	−0.013	96.84%
2012	0.477	0.458	0.019	96.02%
2013	0.437	0.427	0.010	97.71%
2014	0.424	0.444	−0.020	95.28%
2015	0.463	0.496	−0.033	92.87%
2016	0.547	0.496	0.051	90.68%
2017	0.554	0.531	0.023	95.85%
2018	0.492	0.499	−0.007	98.58%
2019	0.463	0.486	−0.023	95.03%