WrenAI/waterfall_chart_simple.json at main · WildDataX/WrenAI · GitHub

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{
  "reasoning": "用户明确要求生成疗效评估瀑布图，瀑布图是最佳选择。瀑布图能清晰展示每个受试者肿瘤大小的百分比变化（PERCENT_CHANGE），并通过颜色区分不同总体反应（OVERALL_RESPONSE）。根据SQL查询结果，数据已按PERCENT_CHANGE升序排列，适合直接用于瀑布图。样本数据显示PERCENT_CHANGE范围从-79.6%到37.0%，OVERALL_RESPONSE包含PR（部分缓解）、SD（疾病稳定）和PD（疾病进展）三种类型，需要用不同颜色编码。",
  "chart_type": "waterfall",
  "title": "肿瘤大小变化百分比瀑布图（按疗效分类）",
  "chart_schema": {
    "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
    "description": "疗效评估瀑布图",
    "data": {
      "values": [
        {"SUBJID": "WD-087", "PERCENT_CHANGE": -11.0, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-048", "PERCENT_CHANGE": 0.0, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-022", "PERCENT_CHANGE": 0.0, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-060", "PERCENT_CHANGE": 10.9, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-054", "PERCENT_CHANGE": -15.6, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-031", "PERCENT_CHANGE": -74.8, "OVERALL_RESPONSE": "PR"},
        {"SUBJID": "WD-051", "PERCENT_CHANGE": -79.6, "OVERALL_RESPONSE": "PR"},
        {"SUBJID": "WD-075", "PERCENT_CHANGE": 37.0, "OVERALL_RESPONSE": "PD"},
        {"SUBJID": "WD-065", "PERCENT_CHANGE": 0.0, "OVERALL_RESPONSE": "PD"},
        {"SUBJID": "WD-035", "PERCENT_CHANGE": -6.2, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-059", "PERCENT_CHANGE": 0.7, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-089", "PERCENT_CHANGE": 0.0, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-045", "PERCENT_CHANGE": 11.2, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-003", "PERCENT_CHANGE": 13.6, "OVERALL_RESPONSE": "SD"},
        {"SUBJID": "WD-063", "PERCENT_CHANGE": 0.0, "OVERALL_RESPONSE": "PD"}
      ]
    },
    "mark": {
      "type": "bar",
      "cornerRadius": 2
    },
    "encoding": {
      "x": {
        "field": "SUBJID",
        "type": "nominal",
        "sort": {"field": "PERCENT_CHANGE", "order": "ascending"},
        "axis": {"title": "受试者ID", "labelAngle": -45}
      },
      "y": {
        "field": "PERCENT_CHANGE",
        "type": "quantitative",
        "axis": {"title": "肿瘤大小变化百分比 (%)"}
      },
      "color": {
        "field": "OVERALL_RESPONSE",
        "type": "nominal",
        "scale": {
          "domain": ["PR", "SD", "PD"],
          "range": ["#2ca02c", "#1f77b4", "#d62728"]
        },
        "legend": {"title": "总体反应"}
      },
      "tooltip": [
        {"field": "SUBJID", "title": "受试者ID"},
        {"field": "PERCENT_CHANGE", "title": "变化百分比", "format": ".1f"},
        {"field": "OVERALL_RESPONSE", "title": "疗效评估"}
      ]
    },
    "config": {
      "view": {"stroke": "transparent"},
      "axis": {"grid": false}
    }
  }
}