共 80 条公开笔记
存在多个解释变量时，我们该怎么做
回归分析依赖于统计模型
本章小结
我们真的无法从观察性数据中得出任何因果关系吗？
观察到相关性之后，我们该怎么做？
如果做不到随机，我们该怎么办？
什么是“因果关系”？
“相关”不等于“因果”
到底什么是总体？
正态分布，即所谓的“钟形曲线”
拥有全部数据会发生什么
分析数据：“归纳推理”的过程
用统计数据来讲好故事
统计信息的传递
趋势的描述
描述变量之间的相关性
描述不同分组之间的差异
描述数据分布的离散程度
我们是否可以相信误差范围？
如果我们已经拥有了全部数据会发生什么？
调查的误差范围
置信区间的计算
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