短語(yǔ)詞組短語(yǔ)instrumental variable estimator [經(jīng)]工具變量估計(jì)量;工具變量估計(jì)式Instrumental variable estimation 工具變量估計(jì)法instrumental variable estimate [經(jīng)]工具變量估計(jì)Instrumental variable model 工具變量模型Weak Instrumental Variable 弱工具變量instrumental variable iv 工具變量method of instrumental variable [經(jīng)]工具變量法iterative instrumental variable method 迭代工具變數(shù)法;[數(shù)]迭代工具變量法instrumental variable normal equation 工具變量正規(guī)方程 返回 instrumental variable