Like Perdue, she USES regression analysis to try to measure the relative impact on prices of the passage of time, seasonality, and natural catastrophes.

她像濮德培一样用衰退分析来衡量一定时期、周期性的和自然灾害的有关价格影响。

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In -this paper, distribution of natural bulk density, water content, and the relationship of grain size with bulk density and water content are studied by regression analysis.

本文论述了南黄海表层沉积物天然湿容重和含水量的分布，并利用回归分析的方法讨论了容重和含水量与粒度之间的关系。

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A regression equation between the natural water content and the natural void ratio is established.

建立了天然含水量与天然孔隙比的回归方程。

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Granger causality and long-horizon regression tests also show no causal links between daily returns or volatility in the crude oil and natural gas futures markets and the positions for two large energy exchange-traded index funds.

FORBES: Increased Futures Speculation Did Not Increase Food or Energy Prices