stratified regression estimate

例句：

1. 1. Inthis study, we used a stratified regression to analyze the relationship between income and education level.
   在这项研究中，我们使用分层回归分析收入与教育水平之间的关系。
2. 2.The stratified regression model was able to capture the complex interactions between different variables.
   分层回归模型能够捕捉不同变量之间的复杂相互作用。
3. 3. The stratified regression analysis revealed that there were significant differences in the educational attainment of different groups.
   分层回归分析显示，不同群体的教育程度存在显著差异。