Intermediate
RCA Five Whys Framework
Conduct root cause analysis on [problem]. Apply 5 Whys method, identify root cause, and propose 3 preventive measures.
Analysis & Research
Conduct root cause analysis on [problem]. Apply 5 Whys method, identify root cause, and propose 3 preventive measures.
Advanced
Experiment Design Framework
Design an A/B test for [hypothesis]. Include: control & variant, success metrics (with targets), sample size calculation, duration, analysis plan.
Analysis & Research
Design an A/B test for [hypothesis]. Include: control & variant, success metrics (with targets), sample size calculation, duration, analysis plan.
Intermediate
Landing Page UX Teardown
Analyze this landing page screenshot. Identify 5 friction points, 3 hypotheses to A/B test, and 2 microcopy fixes.
Multimodal & Vision
Analyze this landing page screenshot. Identify 5 friction points, 3 hypotheses to A/B test, and 2 microcopy fixes.
Advanced
Revenue Forecast Stress Test
Stress-test this revenue forecast: list top 5 fragile assumptions and show sensitivity ±10% on each. Input: [model].
Analysis & Research
Stress-test this revenue forecast: list top 5 fragile assumptions and show sensitivity ±10% on each. Input: [model].
Advanced
Survey Response Clustering
From 250 responses (CSV), cluster themes and output 5 headline insights with verbatim snippets and counts.
Analysis & Research
From 250 responses (CSV), cluster themes and output 5 headline insights with verbatim snippets and counts.
Intermediate
Dataset QA Report
Given the data dictionary and 100-row sample, list schema mismatches, outliers, and 3 suspect joins.
Analysis & Research
Given the data dictionary and 100-row sample, list schema mismatches, outliers, and 3 suspect joins.
Intermediate
Hypothesis-Driven Debugging
Bug: function returns empty on large arrays. Give 3 hypotheses, then request one snippet of instrumented logs. After I paste...
Coding & Development
Bug: function returns empty on large arrays. Give 3 hypotheses, then request one snippet of instrumented logs. After I paste logs, propose fix. Code: [paste].
Intermediate
Minimal Reproducible Example
Create a minimal Python repro for this pandas merge bug. Pin versions, add a failing test, then show fixed version.
Coding & Development
Create a minimal Python repro for this pandas merge bug. Pin versions, add a failing test, then show fixed version.
Intermediate
FastAPI Endpoint Generation
Given this JSON schema, generate a FastAPI endpoint with validation, 2 sad-path tests, and OpenAPI doc. Schema: [json].
Coding & Development
Given this JSON schema, generate a FastAPI endpoint with validation, 2 sad-path tests, and OpenAPI doc. Schema: [json].
Advanced
Python Vectorization & Profiling
Profile this Python function on a 10M-row CSV. Suggest vectorized ops and show before/after time using timeit. Code: [paste].
Coding & Development
Profile this Python function on a 10M-row CSV. Suggest vectorized ops and show before/after time using timeit. Code: [paste].