...inlf=nwifeinc educ exper expersq age kidslt6 kidsge6;run; 回复: 比较固定效应模型（变截距）和混合最小二乘（Pooled model）采用F检验。 方法为， xtreg varlist , fe 结果的最后一行会告诉你这个F值，具体的含义你需要看看课本。
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First, ZFS USES a pooled storage model instead of the traditional volume-based model.
首先，ZFS使用池存储模型，而不是传统的基于卷的模型。
LT: "The whole debate between private and public cloud is going to go away, because cloud computing is about making pooled resources accessible in an elastic model."
LT：“在私有云和公共云之间的整个争论即将平息，因为云计算将可以使闲置资源以一种有弹性的方式变的可用。”
Pooled relative risk (RR) and 95% confidence interval (CI) were calculated using a random-effects model.
共同的相对危险率和95%的可信区间用一种随机效应模型被计算出来。
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