variance ratio

常见例句

双语例句

• It is called variance ratio and the exact relation between variance ratio and correlation coefficient is also built.
  并找到了方差比与相关系数之间的内在联系。
• Besides, the relations between variance ratio and correlation coefficient and between W-K statistics and correlation coefficient are found.
  此外，找到了方差比，W-K统计量与相关系数之间的精确关系。
• Through variance ratio test, we find the Chinese warrant markets do not reach weak form market efficiency, and simple trading rules of technique analysis prove some kind of efficacy.
  通过方差比检验，我们发现中国权证市场不具弱有效性，简单交易规则一定程度上能在权证市场中有效预测。

权威例句

• The variance in comparative values between the two metals makes it difficult to pinpoint a magic ratio that suggests one metal is cheap or expensive relative to the other.
  FORBES: Silver's Bubble And Volatility
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