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数据分析:7种常用统计回归分析总结,简单易懂又全面!

2021-06-21 CPDA CPDA

“正确问题的近似答案要比近似问题的精确答案更有价值”

“正确问题的近似答案要比近似问题的精确答案更有价值” 这正是回归分析所追求的目标。它是最常用的预测建模技术之一,有助于在重要情况下做出更明智的决策。在本文中,我们将讨论什么是回归分析,它是如何工作的,哪种是掌握它的最佳方法。 1 什么是回归分析? 回归分析是作为数据科学家需要掌握的第一个算法。它是数据分析中最常用的预测建模技术之一。即使在今天,大多数公司都使用回归技术来实现大规模决策。 要回答“什么是回归分析”这个问题,我们需要深入了解基本面。简单的回归分析定义是回归是一种用于基于一个或多个独立变量(X)预测因变量(Y)的技术。 经典的回归方程看起来像这样: 回归方程 回归分析源DataAspirant.com回归方程 在上面的等式中, hθ(x)是因变量Y. X是自变量 θ0是常数,并且 θ1是回归系数 2、回归分析的应用 回归分析用于在许多业务情况下做出决策。回归分析有三个主要应用。 解释他们理解困难的事情。例如,为什么客户服务电子邮件在上一季度有所下降。 预测重要的商业趋势。例如,明年会要求他们的产品看起来像什么? 选择不同的替代方案。例如,我们应该进行PPC(按点击付费)还是内

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    2022-10-21 ms9000001676715595

    学习了

    0

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    2021-10-03 一己怀

    学习了

    0

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    2021-09-01 嚎居居

    学到了,归纳的很好,要是有相应的结果分析更好!

    0

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    2021-07-26 叶子医生

    感谢

    0

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    2021-06-21 14775a26m11暂无昵称

    学习

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    2021-06-21 LFK

    学习

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