feat(dc/tool-c): Add missing value imputation feature with 6 methods and MICE
Major features: 1. Missing value imputation (6 simple methods + MICE): - Mean/Median/Mode/Constant imputation - Forward fill (ffill) and Backward fill (bfill) for time series - MICE multivariate imputation (in progress, shape issue to fix) 2. Auto precision detection: - Automatically match decimal places of original data - Prevent false precision (e.g. 13.57 instead of 13.566716417910449) 3. Categorical variable detection: - Auto-detect and skip categorical columns in MICE - Show warnings for unsuitable columns - Suggest mode imputation for categorical data 4. UI improvements: - Rename button: "Delete Missing" to "Missing Value Handling" - Remove standalone "Dedup" and "MICE" buttons - 3-tab dialog: Delete / Fill / Advanced Fill - Display column statistics and recommended methods - Extended warning messages (8 seconds for skipped columns) 5. Bug fixes: - Fix sessionService.updateSessionData -> saveProcessedData - Fix OperationResult interface (add message and stats) - Fix Toolbar button labels and removal Modified files: Python: operations/fillna.py (new, 556 lines), main.py (3 new endpoints) Backend: QuickActionService.ts, QuickActionController.ts, routes/index.ts Frontend: MissingValueDialog.tsx (new, 437 lines), Toolbar.tsx, index.tsx Tests: test_fillna_operations.py (774 lines), test scripts and docs Docs: 5 documentation files updated Known issues: - MICE imputation has DataFrame shape mismatch issue (under debugging) - Workaround: Use 6 simple imputation methods first Status: Development complete, MICE debugging in progress Lines added: ~2000 lines across 3 tiers
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# DC数据清洗整理模块 - 当前状态与开发指南
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> **文档版本:** v3.0
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> **文档版本:** v3.1
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> **创建日期:** 2025-11-28
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> **维护者:** DC模块开发团队
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> **最后更新:** 2025-12-08 16:00 ✅ **Tool C 功能按钮Phase 1-2完成!**
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> **重大里程碑:** Tool C MVP + 7个功能按钮上线
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> **最后更新:** 2025-12-10 ✅ **Tool C NA处理优化 + Pivot列顺序优化完成!**
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> **重大里程碑:** Tool C MVP + 7个功能按钮 + NA处理 + Pivot优化
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> **文档目的:** 反映模块真实状态,记录开发历程
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---
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@@ -55,26 +55,33 @@
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DC数据清洗整理模块提供4个智能工具,帮助研究人员清洗、整理、提取医疗数据。
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### 当前状态
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- **开发阶段**:✅ **Tool B MVP完成** + ✅ **Tool C MVP完成**
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- **开发阶段**:✅ **Tool B MVP完成** + ✅ **Tool C MVP + NA处理优化 + Pivot优化完成**
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- **已完成功能**:
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- ✅ Portal:智能数据清洗工作台(2025-12-02)
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- ✅ Tool B 后端:病历结构化机器人(2025-11-28重建完成)
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- ✅ Tool B 前端:5步工作流完整实现(2025-12-03)
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- ✅ Tool B API对接:6个端点全部集成(2025-12-03)
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- ✅ **Tool C 完整实现**(2025-12-06 ~ 2025-12-07):
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- ✅ Python微服务(~430行,Day 1)
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- ✅ Node.js后端(~2720行,Day 2-3,Day 5增强)
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- ✅ 前端界面(~1300行,Day 4-5)
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- ✅ **Tool C 完整实现**(2025-12-06 ~ 2025-12-10):
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- ✅ Python微服务(~1800行,Day 1 + NA处理优化)
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- ✅ Node.js后端(~3500行,Day 2-3,Day 5-8增强)
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- ✅ 前端界面(~4000行,Day 4-8)
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- ✅ **通用 Chat 组件**(~968行,Day 5)🎉
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- ✅ 端到端测试通过
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- ✅ UI 优化完成(7个问题修复)
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- **总计:~5418行**
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- ✅ 7个功能按钮(Day 6)
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- ✅ NA处理优化(4个功能,Day 7-8)
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- ✅ Pivot列顺序优化(Day 8)
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- ✅ 计算列方案B(安全列名映射)
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- ✅ UX优化(tooltip、滚动条、预览提示)
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- **总计:~13068行**
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- **重大成就**:
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- 🎉 **前端通用能力层建设完成**
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- ✨ 基于 Ant Design X 的 Chat 组件库
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- 🚀 可复用于 AIA、PKB、Tool C 等模块
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- ✅ **NA处理全面支持**:数值映射、分箱、条件生成列、筛选
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- ✅ **Pivot优化**:保留未选列+原始列顺序
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- **未开发功能**:
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- ❌ Tool A:医疗数据超级合并器
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- ⏳ 缺失值填补(均值/中位数/众数/固定值)
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- ⏳ 多重插补(MICE)
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- **模型支持**:DeepSeek-V3 + Qwen-Max 双模型交叉验证(已验证可用)
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- **部署状态**:✅ 前后端完整可用,数据库表已确认存在并正常工作
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- **已知问题**:4个技术债务(见`07-技术债务/Tool-B技术债务清单.md`)
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@@ -115,13 +122,18 @@ DC数据清洗整理模块提供4个智能工具,帮助研究人员清洗、
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- ✅ 2025-12-07:**Day 5完成** - AI Chat面板 + Ant Design X 集成 🎉
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- ✅ 2025-12-07:**UI优化完成** - 7个问题修复
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- ✅ 2025-12-07:**MVP 完成** - 端到端可用 ✅
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- Python微服务扩展(dc_executor.py,427行)
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- ✅ 2025-12-08:**Day 6完成** - 7个功能按钮开发 🚀
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- ✅ 2025-12-09:**Day 7完成** - 计算列方案B + UX优化
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- ✅ 2025-12-10:**Day 8完成** - NA处理优化 + Pivot列顺序优化 🎉
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- Python微服务扩展(~1800行,含NA处理)
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- AST静态代码检查(危险模块拦截)
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- Pandas沙箱执行(30秒超时保护)
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- FastAPI新增2个端点(/api/dc/validate, /api/dc/execute)
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- Node.js后端集成(PythonExecutorService,177行)
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- 测试控制器和路由(3个测试端点)
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- 测试通过率:100%
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- 7个功能按钮(筛选、映射、分箱、条件、删NA、计算、Pivot)
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- 4个功能支持NA处理(映射、筛选、分箱、条件)
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- Pivot优化(保留未选列+原始列顺序)
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- 计算列方案B(安全列名映射)
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- UX优化(tooltip、滚动条、预览提示)
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- 测试通过率:85%+
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- ✅ 2025-12-06:**Day 2完成** - Session管理 ✅
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- SessionService.ts(383行)+ DataProcessService.ts(303行)
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@@ -900,7 +912,7 @@ if (conflictFields.length === 0) {
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---
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**最后更新:** 2025-11-28
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**最后更新:** 2025-12-10
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**文档维护:** DC模块开发团队
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**联系方式:** 项目Issues
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