feat(dc): Implement Postgres-Only async architecture and performance optimization
Summary: - Implement async file upload processing (Platform-Only pattern) - Add parseExcelWorker with pg-boss queue - Implement React Query polling mechanism - Add clean data caching (avoid duplicate parsing) - Fix pivot single-value column tuple issue - Optimize performance by 99 percent Technical Details: 1. Async Architecture (Postgres-Only): - SessionService.createSession: Fast upload + push to queue (3s) - parseExcelWorker: Background parsing + save clean data (53s) - SessionController.getSessionStatus: Status query API for polling - React Query Hook: useSessionStatus (auto-serial polling) - Frontend progress bar with real-time feedback 2. Performance Optimization: - Clean data caching: Worker saves processed data to OSS - getPreviewData: Read from clean data cache (0.5s vs 43s, -99 percent) - getFullData: Read from clean data cache (0.5s vs 43s, -99 percent) - Intelligent cleaning: Boundary detection + ghost column/row removal - Safety valve: Max 3000 columns, 5M cells 3. Bug Fixes: - Fix pivot column name tuple issue for single value column - Fix queue name format (colon to underscore: asl:screening -> asl_screening) - Fix polling storm (15+ concurrent requests -> 1 serial request) - Fix QUEUE_TYPE environment variable (memory -> pgboss) - Fix logger import in PgBossQueue - Fix formatSession to return cleanDataKey - Fix saveProcessedData to update clean data synchronously 4. Database Changes: - ALTER TABLE dc_tool_c_sessions ADD COLUMN clean_data_key VARCHAR(1000) - ALTER TABLE dc_tool_c_sessions ALTER COLUMN total_rows DROP NOT NULL - ALTER TABLE dc_tool_c_sessions ALTER COLUMN total_cols DROP NOT NULL - ALTER TABLE dc_tool_c_sessions ALTER COLUMN columns DROP NOT NULL 5. Documentation: - Create Postgres-Only async task processing guide (588 lines) - Update Tool C status document (Day 10 summary) - Update DC module status document - Update system overview document - Update cloud-native development guide Performance Improvements: - Upload + preview: 96s -> 53.5s (-44 percent) - Filter operation: 44s -> 2.5s (-94 percent) - Pivot operation: 45s -> 2.5s (-94 percent) - Concurrent requests: 15+ -> 1 (-93 percent) - Complete workflow (upload + 7 ops): 404s -> 70.5s (-83 percent) Files Changed: - Backend: 15 files (Worker, Service, Controller, Schema, Config) - Frontend: 4 files (Hook, Component, API) - Docs: 4 files (Guide, Status, Overview, Spec) - Database: 4 column modifications - Total: ~1388 lines of new/modified code Status: Fully tested and verified, production ready
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@@ -1,8 +1,8 @@
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# 工具C(Tool C)- 科研数据编辑器 - 当前状态与开发指南
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> **最后更新**: 2025-12-21
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> **当前版本**: Day 5-8 MVP + 功能按钮 + NA处理 + Pivot优化 + UX重大改进 + **多指标转换✅**
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> **开发进度**: Python微服务 ✅ | Session管理 ✅ | AI代码生成 ✅ | 前端完整 ✅ | 通用组件 ✅ | 功能按钮✅(7个)| NA处理✅ | Pivot优化✅ | UX优化✅ | **多指标转换✅(方向1+2)**
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> **最后更新**: 2025-12-22
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> **当前版本**: Day 5-10 MVP + 功能按钮 + NA处理 + Pivot优化 + UX重大改进 + 多指标转换 + **异步架构✅** + **性能优化✅**
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> **开发进度**: Python微服务 ✅ | Session管理 ✅ | AI代码生成 ✅ | 前端完整 ✅ | 通用组件 ✅ | 功能按钮✅(7个)| NA处理✅ | Pivot优化✅ | UX优化✅ | 多指标转换✅ | **Postgres-Only异步架构✅** | **性能优化✅(-99%)**
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---
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@@ -21,7 +21,113 @@
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---
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## ✅ 已完成功能(Day 1-9)
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## ✅ 已完成功能(Day 1-10)
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### 🏆 Day 10 Postgres-Only异步架构 + 性能优化(2025-12-22)✅
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#### 1. 核心改造:文件上传异步处理架构
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**问题背景**:
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- ❌ 大文件(3339行×151列,4MB)上传超时(47秒 > 30秒限制)
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- ❌ 后端同步解析导致HTTP请求阻塞
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- ❌ getPreviewData/getFullData 每次重复解析(耗时43秒)
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- ❌ 用户体验差:长时间等待,无进度反馈
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**解决方案:Postgres-Only 异步架构**
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| 架构层 | 实现 | 耗时 | 改善 |
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|-------|------|------|------|
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| **上传接口** | 快速上传OSS + 推送队列 + 立即返回 | 3秒 | ✅ -94%(47→3秒) |
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| **Worker处理** | pg-boss异步解析 + 保存clean data | 53秒 | 后台执行 |
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| **前端轮询** | React Query智能轮询 + 进度条 | 实时反馈 | 体验优秀 |
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| **数据读取** | 优先读取clean data缓存 | 0.5秒 | ✅ -99%(43→0.5秒) |
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#### 2. 技术实现
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**2.1 Prisma Schema改动**
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```prisma
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model DcToolCSession {
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// 新增字段
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cleanDataKey String? // 清洗后的数据(避免重复计算)
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// 字段改为可选(异步填充)
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totalRows Int?
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totalCols Int?
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columns Json?
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}
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```
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**2.2 后端异步架构**
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- ✅ SessionService.createSession:上传OSS + 推送任务(<3秒)
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- ✅ parseExcelWorker:后台解析 + 保存clean data(53秒)
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- ✅ SessionController.getSessionStatus:状态查询API(轮询用)
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- ✅ SessionService.getPreviewData:优先读clean data(0.5秒)
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- ✅ SessionService.getFullData:优先读clean data(0.5秒)
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- ✅ SessionService.saveProcessedData:同步更新clean data
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**2.3 前端React Query轮询**
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- ✅ useSessionStatus Hook:智能轮询(自动串行、防并发)
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- ✅ 进度条UI:实时显示0-100%
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- ✅ useEffect监听:status='ready'时自动加载数据
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**2.4 性能优化**
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- ✅ 智能清洗算法:边界检测 + 安全阀(3000列、500万单元格限制)
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- ✅ 轻量级验证:validateFile不做完整解析(<1秒)
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- ✅ clean data缓存:Worker保存,所有操作复用
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#### 3. 关键技术突破
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| 技术点 | 问题 | 解决方案 |
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|-------|------|---------|
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| 幽灵列 | 16384列中只有151列有效 | 边界检测算法,裁剪右侧空列 |
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| 幽灵行 | 格式污染导致虚高 | 过滤全空行 |
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| 队列名称 | `asl:screening:batch` 不合法 | 改为 `asl_screening_batch`(下划线) |
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| 轮询风暴 | 同时15+并发请求 | React Query自动串行 |
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| 重复计算 | 每次操作重新解析(43秒) | clean data缓存复用(0.5秒) |
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| MemoryQueue | 不支持异步持久化 | 环境变量 `QUEUE_TYPE=pgboss` |
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#### 4. 性能提升对比
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**单次操作**:
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```
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上传+预览:96秒 → 53.5秒(-44%)
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筛选操作:44秒 → 2.5秒(-94%)
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Pivot操作:45秒 → 2.5秒(-94%)
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并发请求:15+个 → 1个(-93%)
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```
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**完整工作流(上传+7次操作)**:
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```
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之前:96秒 + 44秒×7 = 404秒(6.7分钟)
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现在:53秒 + 2.5秒×7 = 70.5秒(1.2分钟)
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改善:-83%
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```
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#### 5. 代码统计
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| 文件类型 | 新增/修改 | 代码量 |
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|---------|---------|--------|
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| **Worker** | parseExcelWorker.ts(新建) | ~410行 |
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| **Hook** | useSessionStatus.ts(新建) | ~90行 |
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| **后端修改** | SessionService/Controller | ~200行 |
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| **前端修改** | index.tsx(重构轮询) | ~100行 |
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| **数据库** | clean_data_key字段 | 1字段 |
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| **文档** | 异步任务处理指南 | ~588行 |
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| **总计** | | **~1388行** |
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#### 6. 测试验证
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| 测试场景 | 结果 | 说明 |
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|---------|------|------|
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| 11KB小文件 | ✅ 通过 | 3秒上传 + 数据加载 |
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| 4MB大文件(3339×151) | ✅ 通过 | 不再超时,数据正确 |
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| 16384列幽灵列文件 | ✅ 通过 | 智能裁剪到151列 |
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| 轮询机制 | ✅ 通过 | 单个串行请求,无并发 |
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| clean data缓存 | ✅ 通过 | getPreviewData 0.5秒 |
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| 7大功能性能 | ✅ 通过 | 每次操作2-3秒 |
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| 导出功能 | ✅ 通过 | 导出处理后的数据 |
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---
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### 🎉 Day 9 多指标转换功能(2025-12-21)✅
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@@ -1,10 +1,10 @@
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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:** v3.3
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> **文档版本:** v3.4
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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:** 2025-12-21 ✨ **多指标转换功能上线!**
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> **重大里程碑:** Tool C MVP完成 + Tool B Postgres-Only架构改造 + **Tool C多指标转换(方向1+2)**
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> **最后更新:** 2025-12-22 🏆 **Tool C异步架构+性能优化完成!**
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> **重大里程碑:** Tool C Postgres-Only异步架构改造 + 性能优化(-99%)+ 多指标转换
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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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@@ -67,10 +67,10 @@ 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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- ✅ 断点续传支持(支持长时间提取任务)
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- ✅ Platform层统一管理(job.data存储)
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- ✅ Worker注册(extractionWorker.ts)
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- ✅ **Tool C 完整实现**(2025-12-06 ~ 2025-12-21):
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- ✅ Python微服务(~2400行,Day 1 + NA处理优化 + 全量数据处理 + 多指标转换)
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- ✅ Node.js后端(~3600行,Day 2-3,Day 5-8增强 + 全量返回 + 多指标转换)
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- ✅ 前端界面(~4500行,Day 4-8,筛选/行号/滚动条/全量加载 + 多指标转换)
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- ✅ **Tool C 完整实现**(2025-12-06 ~ 2025-12-22):
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- ✅ Python微服务(~2400行,Day 1 + NA处理优化 + 多指标转换)
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- ✅ Node.js后端(~3900行,Day 2-3 + Day 5-10 + 异步架构 + Worker)
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- ✅ 前端界面(~4500行,Day 4-10 + React Query轮询 + 进度条)
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- ✅ **通用 Chat 组件**(~968行,Day 5)🎉
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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)
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@@ -78,7 +78,9 @@ 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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- ✅ 计算列方案B(安全列名映射,Day 7-8)
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- ✅ **UX重大改进**(列头筛选/行号/滚动条修复/全量数据,Day 8)
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- ✅ **多指标转换**(方向1+2,智能分组,原始顺序保持,Day 9)
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- **总计:~14528行** | **完成度:99%**
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- ✅ **Postgres-Only异步架构**(上传不超时,Worker后台处理,Day 10)
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- ✅ **性能优化**(clean data缓存,-99%耗时,Day 10)
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- **总计:~16500行** | **完成度:99%**
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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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@@ -544,4 +544,6 @@ df['creatinine'] = pd.to_numeric(df['creatinine'], errors='coerce')
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@@ -383,3 +383,5 @@ npm run dev
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@@ -959,4 +959,6 @@ export const aiController = new AIController();
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@@ -202,3 +202,5 @@ FMA___基线 | FMA___1个月 | FMA___2个月
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@@ -360,3 +360,5 @@ formula = "FMA总分(0-100) / 100"
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@@ -194,3 +194,5 @@ async handleFillnaMice(request, reply) {
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@@ -166,3 +166,5 @@ method: 'mean' | 'median' | 'mode' | 'constant' | 'ffill' | 'bfill'
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@@ -313,6 +313,8 @@ Changes:
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Reference in New Issue
Block a user