November 2025
Text Analytics & Classification at Scale
Hybrid text classification combining scikit-learn baselines with LLM-assisted labeling to categorize large volumes of free-text records.
- NLP
- scikit-learn
- LLMs
tools: Python · scikit-learn · spaCy · LLM APIs · pandas
Placeholder case study — replace with your real project details.
The problem
Tens of thousands of free-text records (comments, descriptions, incident notes) needed consistent categorization to feed reporting. Manual tagging was inconsistent between people and never kept up with volume.
The approach
- Started with a classical baseline: TF-IDF features + linear models in scikit-learn, giving a fast, cheap, interpretable classifier.
- Used an LLM as a labeling assistant to bootstrap training data: the model proposed labels with confidence scores, humans only reviewed the uncertain ones.
- Measured everything: per-class precision/recall, confusion matrices, and drift checks on new data before trusting predictions in production.
- Packaged the pipeline so a scheduled job classifies new records nightly and writes results straight to the reporting layer.
The outcome
- Consistent, auditable categories across the full historical dataset.
- Labeling effort reduced to reviewing edge cases only.
- Category-level trends became a standard slide in monthly business reviews.