统计性质(均值、方差、协方差)不随时间恒定的数据点。
nonstationaries — plural of nonstationary
统计性质(均值、方差、协方差)不随时间恒定的数据点。
统计性质(均值、方差、协方差)不随时间恒定的数据点。
A data point whose statistical properties (mean, variance, covariance) are not constant over time.
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