V2EX bayesian statistics

Bayesian Statistics

Definition|释义

贝叶斯统计学:一种统计推断框架,把未知参数视为随机变量,用先验分布结合数据得到后验分布,从而进行估计、预测与不确定性量化(常与频率学派统计相对)。

Pronunciation (IPA)|发音

/bezin sttstks/

Examples|例句

Bayesian statistics uses prior information to update beliefs with data.
贝叶斯统计学利用先验信息,结合数据来更新对问题的判断。

In Bayesian statistics, a hierarchical model can pool information across groups, producing more stable estimates when sample sizes are small.
在贝叶斯统计学中,分层模型可以在不同群体之间共享信息,在样本量较小时给出更稳定的估计。

Etymology|词源

“Bayesian”来自18世纪英国牧师兼数学家Thomas Bayes(托马斯贝叶斯),与“贝叶斯定理”相关;“statistics”源自拉丁语系词根,后来在英语中发展为“统计学”。“Bayesian statistics”指以贝叶斯定理为核心的一整套统计建模与推断方法。

Related Words|相关词汇

In Literature|文学与经典著作中的用例

  • Bayesian Data Analysis(Gelman, Carlin, Stern, Dunson, Vehtari, Rubin)
  • Probability Theory: The Logic of Science(E. T. Jaynes)
  • Pattern Recognition and Machine Learning(Christopher M. Bishop)
  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman;在对比与扩展推断框架时常涉及贝叶斯观点)
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