漏斗图把值编码为连续阶段的宽度或面积。20 世纪中叶销售管理用语；后来成为 CRM 仪表盘。
工作报告、广告与作业中适合有序流失：线索、结账、申请。若阶段并非同一总体的嵌套子集，换一种形式。
Parts
- 标记 — The core mark of 漏斗图 is 连续阶段的宽度或面积.
- 尺度 — The scale must show zero (or a declared break) and units.
- 轴 — Axis titles name the variable, not a mood.
- 图例 — A legend is weaker than a direct label. Write beside the mark when you can.
- 标签 — Numbers are optional. If comparison is the job, label the ends only.
- 网格 — Keep the grid faint. Data should own the ink.
- 注释 — One annotation sentence. Date the source.
- 外框 — A thin frame. Never a 3-D box.
Variants
- 转化漏斗 — Variant 1 of 漏斗图. Same encoding, different layout.
- 销售管道 — Variant 2 of 漏斗图. Same encoding, different layout.
- 流失图 — Variant 3 of 漏斗图. Same encoding, different layout.
- 漏斗图 4 — Variant 4 of 漏斗图. Same encoding, different layout.
Labels
- 轴 — On 漏斗图, make Mark readable.
- 图例 — On 漏斗图, make Scale readable.
- 标签 — On 漏斗图, make Axis readable.
- 网格 — On 漏斗图, make Legend readable.
- 注释 — On 漏斗图, make Label readable.
漏斗图: honour 连续阶段的宽度或面积, and switch when 阶段并非同一总体的嵌套子集.