V2EX unimodal

Unimodal

释义 Definition

unimodal(单峰的;单模态的):指分布或数据在统计意义上只有一个峰值(一个众数);也可指信息或系统只涉及一种感官/渠道/模态(如仅文字、仅图像)。

发音 Pronunciation

/junmodl/

例句 Examples

The data look unimodal.
这些数据看起来是单峰分布的。

The researchers assumed a unimodal distribution when fitting the model, which may fail if the data contain two distinct groups.
研究人员在拟合模型时假设分布是单峰的,但如果数据包含两个明显不同的群体,这种假设可能会失效。

词源 Etymology

来自 **uni-**(“一、单一”,源自拉丁语 unus)+ modal(“模态的/众数的”,与“模式、方式”相关)。字面意思是“单一模态/单一众数”,因此引申为“单峰”或“单通道”。

相关词 Related Words

文学作品 Literary Works

  • Thomas S. Kuhn, The Structure of Scientific Revolutions(常见于科学与统计讨论中,涉及“模态/范式”相关语境)
  • Nassim Nicholas Taleb, The Black Swan(在谈论概率分布、极端事件与统计假设时常会出现如“unimodal/bimodal”等术语)
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