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deer-flow/skills/public/chart-visualization/references/generate_histogram_chart.md
JeffJiang 4d5fdcb8db Consolidates market and data analysis skills; adds chart viz (#36)
Unifies market analysis, data analysis, and consulting reporting into a comprehensive consulting-analysis skill, enabling a two-phase workflow from analysis framework design to professional report generation. Introduces a DuckDB-based data analysis utility for Excel/CSV files and a chart-visualization skill with a flexible JS interface and extensive chart type documentation. Removes the legacy market analysis skill to streamline report generation and improve extensibility for consulting and data-driven workflows.
2026-02-12 11:08:09 +08:00

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generate_histogram_chart — 直方图

功能概述

通过分箱显示连续数值的频数或概率分布,便于识别偏态、离群与集中区间。

输入字段

必填

  • data: number[],至少 1 条,用于构建频数分布。

可选

  • binNumber: number自定义分箱数量未设置则自动估算。
  • style.backgroundColor: string设置背景色。
  • style.palette: string[],定义柱体颜色。
  • style.texture: string默认 default,可选 default/rough
  • theme: string默认 default,可选 default/academy/dark
  • width: number默认 600
  • height: number默认 400
  • title: string默认空字符串。
  • axisXTitle: string默认空字符串。
  • axisYTitle: string默认空字符串。

使用建议

清理空值/异常后再传入;样本量建议 ≥30根据业务意义调整 binNumber 以兼顾细节与整体趋势。

返回结果

  • 返回直方图 URL并在 _meta.spec 存储参数。