... trend-cycle curve seasonal adjustment 趋势循环曲线的季节调整 adjustment of seasonal variations 按季节变化调整 adjustment for seasonal variation 季节性变动调整 ...
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Measuring the seasonal variation in a time series, we generally use two methods to calculate seasonal indexes—average of original data, trend adjustment for average.
测定季节变动对时间序列的影响,一般按同期平均法(原资料平均法)和趋势剔除法计算季节比率。
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