V2EX bimodal

Bimodal

Definition / 释义

bimodal(形容词):双峰的;有两种“模式/峰值/主要状态”的。常用于统计学(双峰分布)、生物学/医学(两相变化)、交通与传播(两种方式并行)等语境。也可引申指“同时具有两种主要特征或运作方式”。

Pronunciation / 发音

/bamodl/

Examples / 例句

The data show a bimodal pattern.
数据显示出双峰模式。

Because the sample mixes two age groups, the distribution is bimodal, with peaks around 20 and 60.
由于样本混合了两个年龄段,分布呈双峰形态,在约20岁和60岁附近各有一个峰值。

Etymology / 词源

由前缀 **bi-**(“二、双”)+ modal(“模式的;众数的”,源自 mode “方式、形态”)组成,字面意思就是“具有两种模式/两个峰”。

Related Words / 相关词

Literary Works / 文学作品与著作

  • The Signal and the Noise(Nate Silver)在讨论数据分布与模型判断时常涉及“峰/分布形态”等统计术语语境。
  • Fifty Challenging Problems in Probability with Solutions(Frederick Mosteller)概率与分布相关讨论中可见“模态/分布形状”等用法。
  • All of Statistics: A Concise Course in Statistical Inference(Larry Wasserman)统计推断教材中常出现“bimodal distribution(双峰分布)”等表达。
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