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楼主: yijingqi2
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11896
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[问答] 关于截距项P值得问题,p值都为1了 |
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高中生 32%
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回帖推荐The intercept (often labeled the constant) is the expected mean value of Y when all X=0.
Start with a regression equation with one predictor, X.
If X sometimes = 0, the intercept is simply the expected mean value of Y at that value.
If X never = 0, then the intercept has no intrinsic meaning. In scientific research, the purpose of a regression model is to understand the relationship be ...
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