名词
中文翻译：加权回归
同义词：
['weighted least squares', 'weighted least squares regression例句：1. In this study', 'we used weighted regression to analyze the relationship between income and happiness.（在这项研究中，我们使用加权回归分析收入与幸福之间的关系。）2. The weighted regression model was used to predict future sales trends.（使用了加权回归模型来预测未来的销售趋势。）']
例句：
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1. In this study, we used weighted regression to analyze the relationship between income and happiness.
在这项研究中，我们使用加权回归分析收入与幸福之间的关系。
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2. The weighted regression model was used to predict future sales trends.
使用了加权回归模型来预测未来的销售趋势。
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3.The researcher conducted a weighted regression analysis to identify the factors that contribute to job satisfaction.
研究者进行了加权回归分析，以识别影响工作满意度的因素。