V2EX histogram

Histogram

释义 Definition

直方图:一种用相邻矩形柱表示数据分布的图表,横轴通常表示数值区间(“组距/分箱”),纵轴表示频数或频率,用来观察数据的集中趋势、离散程度与形状(如偏态)。也可指图像处理中表示像素强度分布的“灰度直方图”。

发音 Pronunciation

/hstrm/

例句 Examples

A histogram shows how often each value occurs.
直方图显示每个数值出现的频率。

After collecting the survey results, she built a histogram to compare the age distribution across different neighborhoods.
收集完调查结果后,她制作了一张直方图,用来比较不同社区的年龄分布。

词源 Etymology

histogram 由 **histo-**(与“组织、组织学”有关的词根,用来暗示“结构/分布”)与 -gram(“图、记录”,如 telegram)组合而成。该词在统计学语境中逐渐固定为“表示频数分布的图”。

相关词 Related Words

文学与名著用例 Literary Works

  • Stephen Few, Show Me the Numbers(数据可视化经典著作中多次讨论直方图用于理解分布)
  • Edward R. Tufte, The Visual Display of Quantitative Information(涉及统计图形与分布展示的讨论中常出现直方图作为对照或示例)
  • David S. Moore, The Basic Practice of Statistics(统计学教材中以直方图作为“分布”概念的核心图形之一)
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