Marginal regression model and its associated generalized estimating equation (GEE) are becoming increasingly being used in longitudinal studies.

边际回归模型和与此有关的广义估计方程(GEE)在纵向数据分析中得到了广泛的应用。

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The longitudinal studies that have been done have shown no difference in emotional and mental health between children raised by gay and lesbian parents and children raised by heterosexual parents.

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