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9ebfd41 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | # ============================================================================
# classifier_tool.py — PLACEHOLDER for Pattern Confirmation (Step 3)
# ============================================================================
#
# Pure tool stub. Will eventually wrap training.train_classifier to validate
# the researcher-refined cluster labels from Step 2. Currently returns a
# placeholder dict so the file exists in the expected location for when
# Step 3 gets built.
# ============================================================================
SCHEMA = {
"name": "train_classifier_on_refined_labels",
"description": (
"PLACEHOLDER. Will train a supervised classifier on the "
"researcher-refined cluster labels from Pattern Refinement "
"(Step 2) and evaluate on held-out data. Implements Step 3 of "
"Nelson's framework (selective coding / Pattern Confirmation)."
),
"parameters": {
"refined_rows": "list[dict] - sentences with researcher-approved labels",
"test_ratio": "float - fraction of data held out for evaluation",
},
"returns": (
"dict with accuracy, per_class_metrics, confusion_matrix, "
"classifier_state"
),
}
def train_classifier_on_refined_labels(refined_rows, test_ratio=0.2):
"""Placeholder. Raises NotImplementedError until Step 3 is built."""
raise NotImplementedError(
"Step 3 (Pattern Confirmation) is not yet implemented. "
"Blocked on Step 2 (Pattern Refinement) producing refined labels."
)
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