Then, we make prediction with moving exponential average model after the analysis of the travel time series. Finally, we present reasonable justification.

通过分析行程时间时间序列的时变特性，利用指数平滑模型进行预测，最后提出合理的修正方法。

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Note that the 21 period is an exponential moving average and the 5 period is a simple moving average.

需要注意的是，21期是指数移动平均线，5期是一个简单的移动平均线。

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It is generally calculated by subtracting a 26-day exponential moving average from a 12-day EMA.

它通常由12天指数移动平均数减去26天指数平均数得来。

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The MACD is calculated by simply subtracting a 26-period exponential moving average (EMA) of the closing prices from a 12-period EMA. The signal line is a nine-period exponential moving average of the MACD.

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Another popular tool used by many traders is the 20-day exponential moving average (EMA).

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Downward trending stochastics above 72 suggest the stock is currently overbought, and the stock is threatening to break below the 10-day exponential moving average which it used as support throughout September.

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