Historical data are important, too, to gauge forecast accuracy over time.
历史数据同样重要，随着时间的推移可以衡量预测的准确性。
The nature of forecast factors determines the level of forecast accuracy.
预报因子的优劣决定着预测精度的高低。
The forecast accuracy was proved to be satisfactory with an error ratio less than 6%.
检测了模型的预测精度，结果显示误差小于6%。
This model has high forecast accuracy, and could be used to forecast people's behavior.
该模型具有较高的精度，可以预测人的合作行为。
The forecast accuracy rate was more than 70%, which played a great role in agricultural activities.
预报业务系统实用性强，逐日预报准确率达到了70%以上，在生产实践中发挥了积极的作用。
Practical examples prove its fast calculation speed , high forecast accuracy and small error variety.
实践证明该算法具有计算速度快、预测精度高、预测误差变化小等优点。
And of these 10, a forecast accuracy of 80 per cent means the forecasters will correctly predict rain on 8 trips.
在这10次下雨天气中，天气预报将会准确预报其中的8次，因为它的准确率为80%。
This model has high forecast accuracy if the commodities sales volume change has a high relation with season.
对季节变化关联较强的商品的销量，该模型有较高精确度的预测。
Analysis on the effect of parameter estimation and forecast accuracy according to the select of variable factors.
变量因子选择对参数估计和估测精度的影响分析。
The method helped one BASF unit improve forecast accuracy by an average of 20% for all of its products, Mr. Milliken says.
这种方法帮助BASF某业务所有产品的预测准确率平均提升了20％。
Changji City is cited as an example, the rationality of the method was analyzed in fit accuracy and forecast accuracy.
以新疆昌吉市为例，从模型拟合精度、精预报精度两个方面分析了该方法的合理性。
The empirical results of the short-term forecasts show that this method can achieve the best short-term forecast accuracy.
短期预测的实证结果表明，该方法能够达到目前最好的短期预测精度。
The effective measures that determined background value of urban air pollution and improved forecast accuracy was proposed.
首次提出了空气质量环境背景值的确定等提高城市空气污染预报准确率的有效措施。
The research shows that the forecast accuracy of this model is better under complex flow field and variable weather conditions.
研究表明：该模型能够在流场复杂、气象条件多变的情况下，预测精度较好；
To further improve the forecast accuracy of this model, and reduce its forecast error, I also improve the BP NN in this article.
为了进一步提高模型预测的准确度，减小预测误差，本文还对BP神经网络进行改进。
Improving forecast accuracy and inventory planning helps Unilever meet consumer demand for products without carrying excess inventory.
市场预判准确率的提升以及库存计划帮助联合利华开展迎合顾客需求的生产，而不会造成库存积压。
The example shows that this model is simple and effective. It is very practical for seasonal forecasting and it has high forecast accuracy.
实例表明，此模型简单有效，对于季节性预测问题有很强的实用性和较高的预测精度。
The results show that, ANFIS is a powerful tool for modelling human error risks, it not only improves the forecast accuracy, but saves time.
结果表明，ANFIS对于人因失误风险评价来说是一个强有力的工具，不仅提高了预测的精度而且节省了时间。
One way to get the attention of key executives is to calculate what a one-percentage-point improvement in forecast accuracy may mean to the company.
有种方法可以帮助获得高管的支持：计算出1%的预测改进会给公司带来怎样的影响。
Also, the prediction method we provided has better forecast accuracy compared with the traditional method, therefore has good practical applications value.
并且本文所提出的预测方法同传统方法相比，在预测精度上均有所提高，因此，具有了一定的实际应用价值。
The adaptive particle swarm optimization is used to optimize the parameters of SVM so as to avoid artificial arbitrariness and enhance the forecast accuracy.
同时利用粒子群算法优化小波最小二乘支持向量机的参数，避免了人为选择参数的盲目性，从而提高了模型的预测精度。
Operational trial of flood season shown that it has higher forecast accuracy for nowcasting heavy and storm rain and better operational value from 1995 to 1996.
经1995—1996年汛期试用表明，该系统对短时大、暴雨的预报准确率较高，有较好的业务使用价值。
For improving forecast accuracy and the efficiency of network training, we USES principle components analysis method to reduce the dimensionality of the feature space.
为了进一步提高预测精度和网络训练的效率，对众多的预报因子采用主成分分析的方法进行降维处理。
The validity of these data is sufficiently verified by the population prediction for the past 25 years the yearly forecast accuracy of the total population being within 1%.
其有效性通过过去25年人口预测得到了验证，其中每年总人口的预测精度基本上在1%以内。
The results show the results of ensemble forecast are better than that of each member's, the simple average of ensemble members' prediction results can improve forecast accuracy;
结果显示集合预报在总体预报效果上比各个集合成员的预报效果好，简单的集合平均就可以提高模式形势场和降水要素场的预报准确率。
The results show the results of ensemble forecast are better than that of each member's, the simple average of ensemble members' prediction results can improve forecast accuracy;
结果显示集合预报在总体预报效果上比各个集合成员的预报效果好，简单的集合平均就可以提高模式形势场和降水要素场的预报准确率。
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