Methods The fixed effect model was used for data analysis.

方法采用固定效应模型进行数据分析。

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When use must tighten the buckle suitably, guarantees the fixed effect.

使用时要适当收紧扣带、以保证固定效果。

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LM test proves the random effect model is superior to the fixed effect model.

LM检验证明随机效应模型优于固定效应模型。

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We controlled for other well-known fixed calendar (we call them Gregorian anomalies), notably,day of the week effect, like Monday,January effect, Halloween effect, and none of those factors explained results.

VOA: standard.2010.08.05

The introduction of the euro has in effect brought down the fixed cost of trading in the euro area.

ECONOMIST: The supposed benefits of monetary union are cut down to size

The bigger problem, though, is the effect of fast economic growth coupled with a fixed exchange rate.

ECONOMIST: Eastern Europe and the euro

Mandating a fixed threshold will also have the perverse effect of lessening incentives to increase productivity in health care and get lower prices from insurers, physicians and hospitals.

FORBES: Sick Solution