“instrumental variables”的概念、定义、翻译、参考文献-科学参考

单词	instrumental variables
释义	instrumental variables Encyclopedia 理学方差分析模型释 instrumental variables工具变量可以用来在回归模型解释变量存在内生性时，仍然给出回归系数的相合估计的变量。又称仪器变量、辅助变量。
随便看	principal section of crystal principal series principal series representations principal set principal sheet principal solution principal space principal spectrum principal sphere principal sphere of curvature principal square root principals' research leadership principal state model principal state of polarization principal's teaching leadership principal strain principal subgroup principal subgroup series principal submatrix principal submodule principal subspace principal surface principal symbol principal symbol sequence principal system

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