Activity: Build a Clean Preprocessing Pipeline

Activity ID: ML-M07-A01 Estimated active time: 45-75 minutes

Goal

Produce the main Module 07 evidence: Pipeline notebook that reruns cleanly and documents training-only transformations.

Inputs

• data/module_07_mixed_feature_pipeline_v1.csv
• data/data-dictionary.md
• notebooks/module-07-worked.ipynb
• notebooks/module-07-practice.ipynb

Instructions

1. Read the data dictionary.
2. Open the notebook or worksheet.
3. Run or inspect each section in order.
4. Record the baseline, comparison, threshold, cluster, slice, or pipeline result required by the module.
5. Write a short interpretation.
6. Write at least two limitations.

Quality checklist

• [ ] Uses only supplied synthetic data.
• [ ] Names the target or states that there is no target.
• [ ] Does not treat one metric or output as proof.
• [ ] Includes a limitation note.
• [ ] Keeps the conclusion tied to the learning task.

Submission format

Submit the notebook output or worksheet table plus a 4-6 sentence explanation.

Safety note

Use only supplied fictional or synthetic data. Do not add or upload real learner data.