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AIclinicalresearch/python-microservice/operations/binning.py
HaHafeng 5523ef36ea feat(admin): Complete Phase 3.5.1-3.5.4 Prompt Management System (83%)
Summary:
- Implement Prompt management infrastructure and core services
- Build admin portal frontend with light theme
- Integrate CodeMirror 6 editor for non-technical users

Phase 3.5.1: Infrastructure Setup
- Create capability_schema for Prompt storage
- Add prompt_templates and prompt_versions tables
- Add prompt:view/edit/debug/publish permissions
- Migrate RVW prompts to database (RVW_EDITORIAL, RVW_METHODOLOGY)

Phase 3.5.2: PromptService Core
- Implement gray preview logic (DRAFT for debuggers, ACTIVE for users)
- Module-level debug control (setDebugMode)
- Handlebars template rendering
- Variable extraction and validation (extractVariables, validateVariables)
- Three-level disaster recovery (database -> cache -> hardcoded fallback)

Phase 3.5.3: Management API
- 8 RESTful endpoints (/api/admin/prompts/*)
- Permission control (PROMPT_ENGINEER can edit, SUPER_ADMIN can publish)

Phase 3.5.4: Frontend Management UI
- Build admin portal architecture (AdminLayout, OrgLayout)
- Add route system (/admin/*, /org/*)
- Implement PromptListPage (filter, search, debug switch)
- Implement PromptEditor (CodeMirror 6 simplified for clinical users)
- Implement PromptEditorPage (edit, save, publish, test, version history)

Technical Details:
- Backend: 6 files, ~2044 lines (prompt.service.ts 596 lines)
- Frontend: 9 files, ~1735 lines (PromptEditorPage.tsx 399 lines)
- CodeMirror 6: Line numbers, auto-wrap, variable highlight, search, undo/redo
- Chinese-friendly: 15px font, 1.8 line-height, system fonts

Next Step: Phase 3.5.5 - Integrate RVW module with PromptService

Tested: Backend API tests passed (8/8), Frontend pending user testing
Status: Ready for Phase 3.5.5 RVW integration
2026-01-11 21:25:16 +08:00

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"""
生成分类变量(分箱)操作
将连续数值变量转换为分类变量。
支持三种方法:自定义切点、等宽分箱、等频分箱。
"""
import pandas as pd
import numpy as np
from typing import List, Optional, Literal, Union
def apply_binning(
df: pd.DataFrame,
column: str,
method: Literal['custom', 'equal_width', 'equal_freq'],
new_column_name: str,
bins: Optional[List[Union[int, float]]] = None,
labels: Optional[List[Union[str, int]]] = None,
num_bins: int = 3
) -> pd.DataFrame:
"""
应用分箱操作
Args:
df: 输入数据框
column: 要分箱的列名
method: 分箱方法
- 'custom': 自定义切点
- 'equal_width': 等宽分箱
- 'equal_freq': 等频分箱
new_column_name: 新列名
bins: 自定义切点列表仅method='custom'时使用),如 [18, 60] → <18, 18-60, >60
labels: 标签列表(可选)
num_bins: 分组数量仅method='equal_width''equal_freq'时使用)
Returns:
分箱后的数据框
Examples:
>>> df = pd.DataFrame({'年龄': [15, 25, 35, 45, 55, 65, 75]})
>>> result = apply_binning(df, '年龄', 'custom', '年龄分组',
... bins=[18, 60], labels=['青少年', '成年', '老年'])
>>> result['年龄分组'].tolist()
['青少年', '成年', '成年', '成年', '成年', '老年', '老年']
"""
if df.empty:
return df
# 验证列是否存在
if column not in df.columns:
raise KeyError(f"'{column}' 不存在")
# 验证数据类型
if not pd.api.types.is_numeric_dtype(df[column]):
raise TypeError(f"'{column}' 不是数值类型,无法进行分箱")
# 创建结果数据框
result = df.copy()
# 根据方法进行分箱
if method == 'custom':
# 自定义切点
if not bins or len(bins) < 2:
raise ValueError('自定义切点至少需要2个值')
# 验证切点是否升序
if bins != sorted(bins):
raise ValueError('切点必须按升序排列')
# 验证标签数量
if labels and len(labels) != len(bins) - 1:
raise ValueError(f'标签数量({len(labels)})必须等于切点数量-1{len(bins)-1}')
result[new_column_name] = pd.cut(
result[column],
bins=bins,
labels=labels,
right=False,
include_lowest=True
)
elif method == 'equal_width':
# 等宽分箱
if num_bins < 2:
raise ValueError('分组数量至少为2')
result[new_column_name] = pd.cut(
result[column],
bins=num_bins,
labels=labels,
include_lowest=True
)
elif method == 'equal_freq':
# 等频分箱
if num_bins < 2:
raise ValueError('分组数量至少为2')
result[new_column_name] = pd.qcut(
result[column],
q=num_bins,
labels=labels,
duplicates='drop' # 处理重复边界值
)
else:
raise ValueError(f"不支持的分箱方法: {method}")
# 统计分布
print(f'分箱结果分布:')
value_counts = result[new_column_name].value_counts().sort_index()
for category, count in value_counts.items():
percentage = count / len(result) * 100
print(f' {category}: {count} 行 ({percentage:.1f}%)')
# 缺失值统计
missing_count = result[new_column_name].isna().sum()
if missing_count > 0:
print(f'警告: {missing_count} 个值无法分箱(可能是缺失值或边界问题)')
return result