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- An empirical study shows the hybrid models have better forecast performance than the SARIMA model, but does not necessarily better than the GRNN mode. 实证研究结果表明,组合模型的预测精度高于SARIMA模型,但是却并不必然高于GRNN模型。
- Examples prove that this method simplifies the BP neural network input variables, so as to shorten the neural network model of training time and improve the forecast performance. 实例证明该方法简化了BP神经网络的输入变量,从而缩短了神经网络模型的训练时间,提高了预测性能。
- Re-development of the BTL-SW operation thinking test system, with a view to a true reflection of the characteristics of movement of thinking, and raise its forecast performance. 重新开发了BTL-SW操作思维测试系统,以期真实反映运动思维的特点,并提高其预测效能。
- Further more, the application of Neural Network Ensembles improved the network generalization and enhanced the forecasting performance. 同时为进一步提高预测效果,引入神经网络集成技术以改善网络泛化能力。
- Experiments result stipulate that the forecasting performance and stability of the hybrid forecasting model is superior to the traditional forecasting model. 实验表明,这种组合预测模型预测效果与稳定性优于传统预测模型。
- The case analysis shows that CGA has better global convergence and stronger running robustness than AGA, and that the model optimized by CGA has higher forecasting performance. 实例分析结果表明,与自适应遗传算法(AGA)相比,该算法搜索稳健,全局搜索能力强,并且新算法优化模型具有更高的预测性能。
- The performance truly exalted the audience. 演出确使观众情绪高昂。
- Opinion polls forecast a Conservative landslide. 民意测验预示保守党有获得压倒性多数票的可能。
- This paper examine the out of sample forecasting performance of various models for forecasting weekly Shanghai stock market volat ility,using daily data of the Shanghai Stock Exchange Composite index. 本文采用上证综合指数每日收盘价数据,应用常用的波动性预测模型预测上海股市的周波动性并比较其样本外预测效果。
- Are you at all worried about the forecast? 对这项预报你不担点儿心吗?
- The sale department makes an accurate forecast of sale. 销售部门做了一项准确的销售预测。
- I listened to the weather forecast. 我听了天气预报。
- They split when the hurricane was forecast. 气象预报有飓风要来,他们就离开迈阿密了。
- I didn't think her performance was up to par. 我认为她表现得不及平时。
- We need a yardstick to measure our performance by. 我们的表现需要一个检验的标准。
- Live performance is the best! I am still keyed up. 现场演出是最棒的!我仍兴奋不已。
- People would not dig down for such a performance. 人们不愿意为这样的演出掏腰包。
- A dire economic forecast; dire threats. 紧急经济预报; 严重威胁
- We like to see the performance of dolphins. 我们喜欢看海豚的表演。
- The weather forecast says it will be sunny tomorrow. 天气预报说明天是晴天。