Source code for causal_agent.methods.propensity_score.llm_assist

# LLM Integration points for Propensity Score methods 
import pandas as pd
from typing import List, Optional, Dict, Any

[docs] def determine_optimal_caliper(df: pd.DataFrame, treatment: str, covariates: List[str], query: Optional[str] = None) -> float: '''Determines optimal caliper for PSM using data or LLM. Placeholder: Returns a default value. ''' # TODO: Implement data-driven (e.g., based on PS distribution) or LLM-assisted caliper selection. # Common rule of thumb is 0.2 * std dev of logit(PS), but that requires calculating PS first. return 0.2
[docs] def determine_optimal_weight_type(df: pd.DataFrame, treatment: str, query: Optional[str] = None) -> str: '''Determines the optimal type of IPW weights (ATE, ATT, etc.). Placeholder: Defaults to ATE. ''' # TODO: Implement LLM or rule-based selection. return "ATE"
[docs] def determine_optimal_trim_threshold(df: pd.DataFrame, treatment: str, propensity_scores: Optional[pd.Series] = None, query: Optional[str] = None) -> Optional[float]: '''Determines optimal threshold for trimming extreme propensity scores. Placeholder: Defaults to no trimming (None). ''' # TODO: Implement data-driven or LLM-assisted threshold selection (e.g., based on score distribution). return None # Corresponds to no trimming by default
# Placeholder for calling LLM to get parameters (can use the one in utils if general enough)
[docs] def get_llm_parameters(df: pd.DataFrame, query: str, method: str) -> Dict[str, Any]: '''Placeholder to get parameters via LLM based on dataset and query.''' # In reality, call something like analyze_dataset_for_method from utils.llm_helpers print(f"Simulating LLM call to get parameters for {method}...") if method == "PS.Matching": return {"parameters": {"caliper": 0.15}, "validation": {"check_balance": True}} elif method == "PS.Weighting": return {"parameters": {"weight_type": "ATE", "trim_threshold": 0.05}, "validation": {"check_weights": True}} else: return {"parameters": {}, "validation": {}}