名词
中文翻译：自相关
同义词：
['autocorrelation', 'autocorrelation coefficient', 'autocorrelation function']
例句：
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1.In time series analysis, the autocorrelation of a variable is its tendency to move in the same direction over time.
在时间序列分析中，变量的自相关是其随时间移动到同一方向的趋势。
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2. The autocorrelation plot shows how closely the data points are clustered together.
自相关图显示了数据点是如何紧密地聚集在一起的。
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3.The autocorrelation coefficient measures the strength of the relationship between two variables over time.
自相关系数衡量两个变量之间随时间关系强度的大小。