Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisIntermediateNew
Run a Pre-Deployment Fairness + Drift Audit on a Hiring Model
You receive a trained classifier (joblib), the training data sample, and a held-out 'next-month' evaluation set. Compute group fairness metrics (false-positive-rate gap, true-po…
- Fairness Metrics
- Drift Detection
- Bias Mitigation
Machine Learning in Practice - AnalysisBeginnerNew
Wage Compression at a San Francisco D2C Cosmetics Startup
Your task is to analyze the startup's current wage data (provided in a simulated dataset), identify the extent of wage compression, and recommend a wage adjustment plan. Success…
- Wage Analysis
- Market Benchmarking
- Data Visualization
Labor Economics - AnalysisIntermediateNew
Business Combination Accounting for a 40-Person SaaS Scale-Up
You are a financial analyst at DataFlow Analytics. The CFO has asked you to prepare the acquisition accounting under IFRS 3. DataFlow is acquiring 100% of Insightly for €20M: €1…
- GAAP / IFRS
- Business Combinations
- Goodwill
International Accounting - AnalysisBeginnerNew
Reducing Turnover at a Dubai D2C Cosmetics Startup
Conduct a qualitative and quantitative analysis of turnover data (provided in a simulated dataset), including exit interview themes and engagement survey scores. Identify the to…
- Turnover Analysis
- Job Crafting
- Engagement Surveys
Business and Industrial Psychology Practice your coursework on real scenarios.
Every challenge is shaped from real-world context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- AnalysisIntermediateNew
Director Liability in a SaaS Scale-Up's Failed Enterprise Deal
Analyze the facts: the CEO, without board approval, promised a client custom features that the product team could not deliver, leading to contract termination and a £500K loss. …
- Director Duties
- Companies Act 2006
- Business Judgment Rule
Company and Corporate Law - AnalysisBeginnerNew
ESG Integration for a San Francisco D2C Cosmetics Brand
Your task is to develop a lightweight ESG integration framework for the startup. Deliver a materiality matrix, a set of 5-7 key ESG indicators, a scoring methodology, and a one-…
- ESG Scoring
- Materiality Assessment
- Sasb Standards
Sustainable Finance and Impact Investing - AnalysisBeginnerNew
Transfer Pricing for a Mumbai D2C Cosmetics Startup
Your task is to recommend a transfer pricing method (e.g., market-based, cost-plus, or negotiated) for the sale of products from France to Spain. Provide a detailed analysis of …
- Transfer Pricing
- Tax Analysis
- Managerial Accounting
Managerial Accounting - AnalysisSeniorNew
Renewable Energy Investment Under Policy Uncertainty
You are a financial analyst at SunVest. The proposed solar farm has a capacity of 50 MW, construction cost €80M, and expected life 25 years. Key uncertainties: annual electricit…
- Real Options
- Monte Carlo Simulation
- Stochastic Modeling
Decision Analysis under Uncertainty - Browse challenges
Explore role
Marketing Analyst
Plan and measure campaigns that grow the business. Funnel analytics, attribution, segmentation, and the rigorous measurement that lets marketing defend its budget at the leadership table.
- AnalysisBeginnerNew
Tax Strategy for a Copenhagen D2C Cosmetics Startup
Your task is to research the EU VAT rules for cross-border e-commerce, including the One Stop Shop (OSS) scheme. You must evaluate the tax rates in Denmark, France, Italy, and S…
- Tax Analysis
- EU Vat
- Cross Border Ecommerce
Public Economics and Policy - AnalysisBeginnerNew
Evaluate Speech-to-Text Quality for a Contact-Center Analytics Vendor
You receive 200 anonymized call-recording snippets (2-4 minutes each, ~67 per language) with reference transcripts plus a domain glossary of about 600 product terms. Run all thr…
- Speech Recognition
- Sequence Models
- Model Evaluation
Machine Perception - AnalysisIntermediateNew
Detect Coordinated Inauthentic Behavior on a National News Platform
Receive an anonymized 90-day export of comments (user_id, article_id, timestamp, like_count, reply_to_id) and basic user metadata (registration date, login pattern bucket). Buil…
- Network Science
- Community Detection
- Graph Analysis
Network Science and Computational Social Science - AnalysisFoundationalNew
Bookkeeping Reset for a Lisbon Specialty Coffee Roaster
Using the supplied transaction log (provided as a CSV), record each item using double-entry bookkeeping in a journal, post to a general ledger, and prepare an unadjusted trial b…
- Double Entry Bookkeeping
- Journal Entries
- Trial Balance Preparation
Financial Accounting Build a verifiable portfolio.
Submissions become evidence. Reviewers with shipping experience score against a rubric; the result becomes a credential anyone can verify.
Why Ewance
- AnalysisBeginnerNew
Cash Flow Diagnosis for a Tokyo D2C Skincare Startup
Working in a team, take the provided income statements and balance sheets for FY2023 and FY2024 and build a cash flow statement using the indirect method. Then analyze the drive…
- Cash Flow Analysis
- Ratio Analysis
- Financial Statement Interpretation
Financial Accounting - AnalysisBeginnerNew
Define SLOs and Error Budgets for a Real-Time Trading API
Pull 90 days of API latency + error data per endpoint from Prometheus (anonymized exports provided). Propose Service Level Indicators (SLIs) for 3 services × 2 SLI types (availa…
- Slo / Sli Definition
- Error Budgets
- Sli Design
Site Reliability Engineering - AnalysisSeniorNew
Diagnose a Hard-Real-Time Failure in an Automotive ECU
Receive anonymized AUTOSAR runnable + task traces (CSV + Vector CANalyzer .blf), 8 hours covering 3 failure events. Identify timing budget per task and runnable. Reproduce on th…
- Autosar
- Real Time Debugging
- Can Bus Analysis
Embedded Systems Engineering - AnalysisIntermediateNew
Capstone Lab: Diagnose Why a Production Model Quietly Stopped Working
You receive 6 months of production logs (model inputs, predictions, ground truth from chargebacks) plus the original training data and model card. Reproduce the recall drop in a…
- Data Drift Detection
- Model Monitoring
- 5 Whys & Fishbone Root Cause Analysis
AI/ML Practicum and Hands-on Lab - AnalysisIntermediateNew
Auditing Bias in a Fintech Credit Scoring Model
Conduct a quantitative fairness audit using a public proxy dataset (e.g., the UCI Adult or Give Me Some Credit dataset re-framed as BNPL decisions) and apply at least three fair…
- Algorithmic Fairness
- Ai Audit
- Regulatory Analysis
AI, Ethics and Society - AnalysisIntermediateNew
Capital Budgeting for a Solar Farm Expansion
Your task is to build a project finance model that estimates unlevered and levered free cash flows over 25 years (the project's life). Incorporate the 30% Investment Tax Credit …
- Capital Budgeting
- Npv Irr Analysis
- Project Finance
Corporate Finance (MBA) - AnalysisIntermediateNew
Optimize Stop-Loss Policies with Dynamic Programming at a Quant Fund
You receive five years of daily PnL series for 12 momentum strategies plus a small set of state features (rolling vol, drawdown, regime indicator). Calibrate a discrete Markov m…
- Dynamic Programming
- Backward Induction
- State Modeling
Decision Making Under Uncertainty - AnalysisBeginnerNew
Partner Selection for a Munich EV Charging Scale-up
Build a partner selection framework, apply it to 8-10 candidate partners across at least two countries, and recommend the top 3 alliances Numbat should pursue in 2025. Constrain…
- Partner Screening
- Alliance Strategy
- Competitive Analysis
Alliances, Networks and Ecosystems - AnalysisIntermediateNew
Draft GDPR + AI Act Data Provisions for a Training-Data Vendor
Anchor the work on (1) GDPR Articles 28 (processor obligations) and 32 (security), (2) the EU AI Regulation's data-governance article for high-risk systems, and (3) the EDPB's p…
- Data Protection Law
- Contract Redlining
- Regulatory Analysis
AI Law, Policy, and Regulation - AnalysisIntermediateNew
Sales & Distribution Process Optimization for a Mid-Size Manufacturer
Your task is to audit PumpTech's SD processes (inquiry to cash) and design improvements. You will map the current process, identify root causes of delays (e.g., manual credit ch…
- SAP S4hana
- Sales And Distribution
- Business Process Reengineering
ERP Systems (SAP and Microsoft Dynamics) - AnalysisBeginnerNew
Demand Forecasting for a New York D2C Cosmetics Brand
You are a forecasting analyst at Glow NYC. Using provided monthly sales data (units sold) for 10 SKUs, develop a time series forecast for the next 3 months. Compare at least two…
- Time Series Analysis
- Forecasting
- Data Visualization
Forecasting for Decision Making - AnalysisFoundationalNew
Customer Experience Analysis for a D2C Cosmetics Brand
You are a customer experience analyst at BrilhoBeleza. Your task is to analyze the current customer journey from awareness to repeat purchase. Use web analytics, user session re…
- Customer Journey Mapping
- Data Analysis
- Ux Research
Smart Services and Digital Products
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
Industry teams behind a decade of practitioner briefs
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Sponsor a challenge and meet candidates through actual work.
Industry teams can shape briefs around the skills they hire for, then evaluate students on rubric-scored deliverables — not resumes.