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联合回归估计
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联合回归估计
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combined regression estimator
联合回归估计
对于分层随机抽样,先按分层简单估计得目标变量与辅助变量的分层估计量,再用对应的分层估计量来构造回归估计量的估计方法。
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woody industrial raw materials
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woody oil chemistry
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Wood’s alloy
wooen toys
woofer
wool carding machine
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woolen garment
woolens in ancient China
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woolen tapestry pants with the design of centaur and warrior
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wool fibers
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