V2EX rug plot

Rug Plot

定义 Definition

rug plot(地毯图/地毯线图):一种数据可视化方式,通常在图表的坐标轴边缘用许多短小的线段(像“地毯的毛”)标出每个数据点的位置,用来展示数据在某一维度上的分布与密度。常见于直方图、密度曲线、散点图的边缘辅助显示。

发音 Pronunciation (IPA)

/r plt/(美式常见)
/r plt/(英式常见)

例句 Examples

A rug plot shows where the data points fall on the x-axis.
地毯图显示数据点在 x 轴上的落点位置。

To compare two groups, the analyst added rug plots beneath the density curves, revealing clusters and gaps that the smooth lines hid.
为了比较两组数据,分析师在密度曲线下方加了地毯图,从而揭示了平滑曲线掩盖的聚集区与空白区。

词源 Etymology

rug(地毯)”在这里是比喻:坐标轴边缘密密麻麻的短线段看起来像地毯的绒毛;“plot(绘图/图表)”指把数据画出来。合起来表示“像地毯绒毛一样的标记分布图”。该术语常见于统计图形与数据科学语境。

相关词 Related Words

文献与作品 Literary Works

  • William S. Cleveland The Elements of Graphing Data(统计图形经典著作,讨论用图形呈现分布信息的常见做法,与 rug plot 的用途高度相关)
  • Leland Wilkinson The Grammar of Graphics(图形语法体系的重要著作,涉及将数据分布映射到图形标记的思想,可对应 rug plot 的“轴边标记”表达)
  • Hadley Wickham ggplot2: Elegant Graphics for Data Analysis(R 语言可视化代表性著作,介绍在图形中叠加不同层以展示分布信息,常与 rug plot 的实践并行出现)
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