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
269 lines
6.0 KiB
Markdown
269 lines
6.0 KiB
Markdown
# 缺失值处理功能 - 自动化测试说明
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## 📋 测试脚本功能
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自动化测试脚本 `test_fillna_operations.py` 会自动测试缺失值处理的所有功能,包括:
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### ✅ 18个测试用例
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#### 基础测试(6个)
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1. 均值填补数值列
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2. 中位数填补偏态分布列
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3. 众数填补分类列
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4. 固定值填补(0)
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5. 前向填充(ffill)⭐
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6. 后向填充(bfill)⭐
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#### MICE测试(4个)
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7. MICE填补单列
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8. MICE填补多列
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9. MICE填补 - 不同迭代次数
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10. MICE填补 - 自定义随机种子
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#### 边界测试(4个)
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11. 100%缺失的列
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12. 0%缺失的列(无需填补)
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13. 统计API功能
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14. 特殊字符列名处理
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#### 数据类型测试(4个)
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15. 数值列(int/float)
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16. 分类列(字符串)
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17. 混合类型列
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18. 性能测试(1000行)
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---
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## 🚀 快速开始
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### 步骤1: 启动Python服务
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```bash
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cd AIclinicalresearch/extraction_service
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python main.py
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```
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**确认服务启动成功**:看到 `Application startup complete` 或访问 `http://localhost:8001/health`
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---
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### 步骤2: 运行测试脚本
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**方法1 - 在项目根目录运行**:
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```bash
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cd AIclinicalresearch
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python tests/test_fillna_operations.py
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```
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**方法2 - 在tests目录运行**:
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```bash
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cd AIclinicalresearch/tests
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python test_fillna_operations.py
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```
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---
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## 📊 测试输出示例
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```
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╔══════════════════════════════════════════════════════════════════╗
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║ ║
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║ 缺失值处理功能 - 自动化测试脚本 v1.0 ║
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║ ║
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║ 测试内容: 18个测试用例 ║
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║ - 6个基础填补测试 ║
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║ - 4个MICE测试 ║
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║ - 4个边界测试 ║
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║ - 4个数据类型测试 ║
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║ ║
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╚══════════════════════════════════════════════════════════════════╝
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================================================================================
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缺失值处理功能 - 自动化测试
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================================================================================
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ℹ️ 检查Python服务状态...
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✅ Python服务运行正常
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ℹ️ 生成测试数据...
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✅ 生成了 5 个测试数据集
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• numeric: 100 行 × 4 列
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• categorical: 100 行 × 3 列
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• timeseries: 100 行 × 3 列
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• edge_cases: 10 行 × 4 列
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• mixed: 100 行 × 4 列
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[1/18] 均值填补数值列
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--------------------------------------------------------------------------------
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✅ 均值填补成功,缺失值已全部填补
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✅ ✓ 新列位置正确(紧邻原列)
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[2/18] 中位数填补偏态分布列
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--------------------------------------------------------------------------------
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✅ 中位数填补成功
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...
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================================================================================
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测试总结
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================================================================================
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总测试数: 18
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✅ 通过: 18
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❌ 失败: 0
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通过率: 100.0%
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总耗时: 45.32秒
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🎉 所有测试通过!
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```
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---
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## 🔧 依赖安装
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测试脚本需要以下Python包:
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```bash
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pip install pandas numpy requests
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```
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这些包在 `extraction_service/requirements.txt` 中已经包含。
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---
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## ⚙️ 配置
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### 修改服务地址
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如果Python服务不在默认端口 `8001`,修改脚本开头:
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```python
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PYTHON_SERVICE_URL = "http://localhost:8001" # 修改为你的端口
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```
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---
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## 📝 测试结果说明
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### 颜色含义
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- 🟢 **绿色** (✅): 测试通过
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- 🔴 **红色** (❌): 测试失败
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- 🟡 **黄色** (⚠️): 警告信息
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- 🔵 **蓝色** (ℹ️): 提示信息
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### 通过标准
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- ✅ API返回成功
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- ✅ 新列创建正确
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- ✅ 缺失值被正确填补
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- ✅ 新列位置在原列旁边
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---
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## 🐛 常见问题
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### 1. 无法连接到Python服务
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**错误**: `无法连接到Python服务: Connection refused`
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**解决**:
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```bash
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# 确保Python服务已启动
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cd AIclinicalresearch/extraction_service
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python main.py
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```
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---
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### 2. 模块未找到
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**错误**: `ModuleNotFoundError: No module named 'pandas'`
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**解决**:
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```bash
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pip install pandas numpy requests
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```
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---
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### 3. 部分测试失败
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**现象**: 通过率 < 100%
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**处理**:
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1. 查看失败测试的具体错误信息
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2. 检查Python服务日志
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3. 确认数据格式是否正确
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---
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## 🔍 调试技巧
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### 1. 单独运行某个测试
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修改 `test_fillna_operations.py` 的 `run_all_tests()` 方法,只保留需要测试的用例:
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```python
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tests = [
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(self.test_1_mean_fill, "基础"), # 只测试这一个
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]
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```
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### 2. 查看详细日志
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在测试函数中添加:
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```python
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print(json.dumps(result, indent=2, ensure_ascii=False))
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```
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### 3. 保存测试数据
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在 `generate_test_data()` 中添加:
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```python
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df_numeric.to_excel('test_data/numeric_test.xlsx', index=False)
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```
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---
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## 📈 性能基准
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**参考值**(在普通笔记本上):
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- **简单填补**(均值/中位数/众数): < 1秒
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- **前向/后向填充**: < 1秒
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- **MICE填补 100行**: 2-5秒
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- **MICE填补 1000行**: 20-40秒
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- **全部18个测试**: 45-60秒
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---
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## 🎯 下一步
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测试通过后:
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1. 在真实数据上测试
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2. 测试前端集成
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3. 性能优化(如有需要)
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---
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## 📞 技术支持
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如有问题,请检查:
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1. Python服务日志
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2. 测试脚本输出
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3. 开发文档:`工具C_缺失值处理_开发完成说明.md`
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