Screening

进行单变量筛选并形成候选解释变量清单(feature selection 特征筛选)

Zafer-Liu 96f44b2 1.1 KB Updated

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单变量筛选

确认目标变量与候选字段,对每个候选变量执行适当的单变量检验或回归。报告效应方向、效应量、显著性、缺失率和样本量;多重比较时提示假阳性风险,不直接宣称因果。

Tool routing

  1. Use get_schema to identify the target variable, candidate predictors, and source table.
  2. Use query_data to verify field names, missingness, and candidate variable types.
  3. Use run_analysis with analysis_name="Univariate_Screening" for the screening computation.
  4. Use generate_chart on screening rankings or effect result tables after run_analysis succeeds.

Implementation reference

  • Tool entry: agent/tools/business/data.py::_tool_run_analysis
  • Analysis registry: Function/Analyze/registry.py
  • Analysis implementation: Function/Analyze/Univariate_Screening/analyze.py
  • Chart implementation: Function/Charts_generation/chart_generate.py

Zafer-Liu/Data-Analysis-Agent commit 96f44b2288

Frequently asked questions

npx skillmds add zafer-liu/screening