The summary relative risks (RRs) were estimated by the random effects model.

利用随机效应模型来估计相对危险度。

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The random effects estimate and its confidence interval address the question 'what is the average treatment effect?

随机效应估计和它的可信区间会提出这样一个问题，“平均效应是什么？”

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Variance component model of the random effects of covariance matrix unit for the "Linear model introduction" matrix has been studied.

方差分量模型的随机效应的协方差为单位阵时《线性模型引论》已进行研究。

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But tastiness applies, too, in the pleasantly disorienting effects of colors that appear to be distributed at random: bright or muted and warm or cool, all ajumble.

NEWYORKER: Spot On

Because each week's recipients were selected at random, the survey, taken as a whole, automatically negated the effects of other temporary influences on spending, such as changes in the stock market or car makers' cheap financing deals.

FORBES: Wharton On The Economic Stimulus Package