variance ratio

常見例句

雙語例句

• It is called variance ratio and the exact relation between variance ratio and correlation coefficient is also built.
  并找到了方差比與相關系數(shù)之間的內在聯(lián)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統(tǒng)計量與相關系數(shù)之間的精確關系。
• 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.
  通過方差比檢驗，我們發(fā)現(xiàn)中國權證市場不具弱有效性，簡單交易規(guī)則一定程度上能在權證市場中有效預測。

權威例句

• 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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