This is what I have written gray load forecasting procedures, need to see can be downloaded.
这是我自己编写的灰色负荷预测程序，需要的可以下载看看。
Some forecasting procedures sum the absolute values of the errors and may report this sum, or divide it by the number of forecast attempts to produce the average forecast error.
一些预测程序总计错误的绝对值而且可能报告这总数， 或藉着预测尝试的数字分开它生产平均的预测错误。
Other procedures the sum of squared errors, which is them compared with similar figures from alternative forecasting methods.
其他的程序一致的错误总数，是他们与来自预测方法的替代选择的相似身材相较。
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