Research Article
Research and Development Investment Combination Forecasting Model of High-Tech Enterprises Based on Uncertain Information
Table 3
Forecast results and errors of a single model.
| Year | Actual value (10 K) | Predictive value | Relative error (%) | GM (1, 1) model | Grey metabolic GM (1, 1) model | The cubic exponential smoothing method | GM (1, 1) model | The grey metabolic GM (1, 1) model | The cubic exponential smoothing method |
| 2016 | 21368.59 | 19312.77 | 19312.79 | 20539.64 | 9.62 | 9.62 | 3.88 | 2017 | 24582.22 | 22722.01 | 23130.88 | 25011.67 | 7.57 | 5.90 | 1.75 | 2018 | 28864.64 | 26733.07 | 27462.58 | 30221.20 | 7.38 | 4.86 | 4.70 | 2019 | 34579.33 | 31452.19 | 32159.04 | 36168.23 | 9.04 | 7.00 | 4.59 | SDE | 2434.68 | 1819.34 | 1321.17 | RMSE | 2434.68 | 1819.34 | 1144.16 | MAPE | 8.40 | 6.85 | 3.73 |
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