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  • 匿名
关注:1 2013-05-23 12:21

求翻译:则可以看出,预测值是根据预测误差对原预测值进行修正得到的。a 的大小体现了修正的幅度,a 越大,修正的幅度越大;a越小,修正的幅度越小。因此a值既代表预测模型对时间序列数据变化的反应速度,同时又决定预测模型修正误差的能力。是什么意思?

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则可以看出,预测值是根据预测误差对原预测值进行修正得到的。a 的大小体现了修正的幅度,a 越大,修正的幅度越大;a越小,修正的幅度越小。因此a值既代表预测模型对时间序列数据变化的反应速度,同时又决定预测模型修正误差的能力。
问题补充:

  • 匿名
2013-05-23 12:21:38
Can be seen that the predictive value is to amend the original predictive value of the prediction error obtained. reflects the amendments to the size of a magnitude of a greater the greater the correction amplitude; a smaller the smaller the correction amplitude. A value not only on behalf of predic
  • 匿名
2013-05-23 12:23:18
You can see, the forecast values are based on a forecast error for the expected value to be amended. The size of a correction of the amplitude, A, the larger the amplitude becomes larger and a smaller, more small. It is therefore a value representing both forecast model changes to time series data o
  • 匿名
2013-05-23 12:24:58
Then may see, forecast the value is carries on the revision according to the forecast error to the original forecast value to obtain.The a size manifested the revision scope, a has been bigger, the revision scope was bigger; a is smaller, the revision scope is smaller.Therefore a value both represen
  • 匿名
2013-05-23 12:26:38
You can see that forecast was based on an amendment to the original forecast of forecast error received. A size reflects the amendments, a larger, more, as amended by; a smaller, smaller, as amended by. A value representing the time sequence prediction model data changes in reaction rate, and decisi
  • 匿名
2013-05-23 12:28:18
正在翻译,请等待...
 
 
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