Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisBeginnerNew
Optimizing Subscription Pricing for a Lagos D2C Cosmetics Startup
Your task is to analyze GlowCycle's customer data to identify segments with different price sensitivities and churn risks. Develop a predictive model to forecast churn probabili…
- Customer Segmentation
- Predictive Modeling
- Prescriptive Analytics
Business Analytics - 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 - AnalysisIntermediateNew
Optimize a Slow Trino Query Over a Petabyte Warehouse
Receive the slow SQL query (around 600 lines), the Trino EXPLAIN ANALYZE output, the underlying Iceberg table schemas (partition specs, sort orders), and 30 days of execution me…
- Trino
- SQL Optimization
- Iceberg
Big Data and Data-Intensive Systems - AnalysisFoundationalNew
Performance Evaluation of a Tech Mutual Fund
Your task is to analyze the TechGrowth Fund's monthly returns from 2019-2023, along with benchmark and risk-free rate data. You must calculate and interpret key performance meas…
- Performance Evaluation
- Sharpe Ratio
- Jensens Alpha
Investment Analysis and Portfolio Management 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
- AnalysisFoundationalNew
Production Planning for a Sustainable Fashion Brand
Your task is to build a linear program that decides weekly production quantities for each product line. Constraints include labor hours (max 400 hrs), machine hours (max 200 hrs…
- Linear Programming
- Optimization
- Microsoft Excel
Operations Research and Optimization - AnalysisIntermediateNew
Frame an Energy-Storage Dispatch Decision as a Bayesian Decision Problem
You receive 2 years of hourly spot-price data, 2 years of wind generation data, and a manufacturer's battery degradation model. Frame dispatch as a Bayesian decision problem: mo…
- Bayesian Decision Theory
- Price Modeling
- Back Testing
Decision Making Under Uncertainty - 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 - AnalysisBeginnerNew
CVP Analysis for a 40-Person SaaS Scale-Up
You are a financial analyst at CloudFlow. Given current PLG pricing (€50/user/month, 10,000 users) and cost structure (€200K fixed, €10/user variable), plus planned enterprise t…
- Cvp Analysis
- Break Even Analysis
- Pricing Strategy & Elasticity
Management and Cost Accounting - Browse challenges
Explore role
Product Manager
Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
- AnalysisIntermediateNew
Catastrophic-Forgetting Audit on a Domain Fine-Tune
You receive the fine-tuned 7B chemistry model and its base, plus a benchmark basket (MMLU subset, GSM8K, IFEval, a small instruction-following set). Run all 4 benchmarks on both…
- Catastrophic Forgetting
- LLM Evaluation
- Fine Tuning
Fine-Tuning Large Language Models - AnalysisBeginnerNew
Stress-Test a Hiring-Funnel Model for Bias
You receive a synthetic-but-realistic dataset of 25,000 past applicants with features (years of experience, education tier, prior role tags) and outcome labels (advanced past th…
- Model Evaluation
- Fairness Metrics
- Logistic Regression
Machine Learning (Undergraduate) - AnalysisBeginnerNew
Explain a Credit-Risk Model with SHAP for a Fintech
You receive a trained XGBoost credit-risk model (binary default prediction), the training feature schema (38 features), and a held-out 10,000-sample test set with labels. Comput…
- Shap
- Interpretability
- Fairness Analysis
Explainable and Interpretable AI - AnalysisIntermediateNew
Portfolio Optimization for a Sustainable Fashion ETF
You are given monthly returns for 20 candidate stocks (5 years of data) and the risk-free rate. Your task is to select 15 stocks and compute the efficient frontier, the tangency…
- Black Litterman & Mean Variance Optimization
- Efficient Frontier
- Capm
Investments and Asset Pricing 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
- AnalysisSeniorNew
Carbon Tax Impact on a Spanish Solar Farm
Calculate the current LCOE for the solar farm (including subsidies) and compare it to a representative gas plant. Then, model the effect of the carbon tax on both technologies, …
- Carbon Tax
- Lcoe Modeling
- Energy Markets
Public Economics and Policy - AnalysisBeginnerNew
Acquisition of a Bangalore D2C Cosmetics Startup
As a junior M&A analyst at BeautyCo, you must assess GlowUp's business model, financials, and market position. You need to conduct a valuation using DCF and comparable company a…
- Financial Analysis
- Valuation
- Due Diligence
Mergers and Acquisitions - AnalysisFoundationalNew
Accessibility Audit for a Fintech App
Your task is to audit the PayWise app (provided as a prototype or screenshots) against WCAG 2.1 AA standards. Identify at least 10 accessibility issues, prioritize them by impac…
- Accessibility Audit
- Wcag Standards
- Ux Design
Diversity and Inclusion Management - AnalysisBeginnerNew
Consolidation of a New York D2C Cosmetics Startup with a French Subsidiary
Your task is to produce a full consolidation package for GlowUp Naturals Group. You will receive the trial balances of both entities, details of intercompany transactions (inclu…
- IFRS Consolidation
- Intercompany Elimination
- Non Controlling Interest
Group Accounting and Consolidation - AnalysisBeginnerNew
PIPEDA Compliance for a Toronto D2C Cosmetics Startup
Your task is to conduct a privacy compliance audit for Glow Naturals. You must identify at least five key gaps in their data processing practices, focusing on areas such as cons…
- GDPR
- Data Protection
- Compliance Audit
IT Law and Data Protection - AnalysisIntermediateNew
Valuation of a 40-Person SaaS Scale-Up for Series A
Your team will act as a boutique valuation advisory. You must gather comparable public SaaS companies (e.g., from the Cloud ERP or data integration space) and calculate relevant…
- DCF Valuation
- Comparable Company Analysis
- Three Statement Modeling
Corporate Finance - AnalysisBeginnerNew
IFRS 15 Revenue Recognition for a Dubai D2C Cosmetics Startup
You are a junior accountant at Glow Naturals. The CFO needs a revenue recognition policy under IFRS 15 for three main product lines: (1) monthly subscription boxes with a free g…
- IFRS 15
- Revenue Recognition
- Contract Analysis
International Accounting - AnalysisBeginnerNew
Interpretable-by-Design GAM for an Insurer's Claims Triage
You receive an anonymized claims dataset (around 60,000 claims, target: log reserve), a feature schema (22 features), and an existing LightGBM baseline (held-out R^2 of 0.78). T…
- Generalized Additive Models
- Ebm
- Interpretability
Explainable and Interpretable AI - AnalysisIntermediateNew
Benchmark NPUs for an Autonomous Forklift Vision Stack
You receive ONNX exports of the 3 production models, a labeled validation set of 2,000 forklift-camera frames, and developer-kit access to three NPU candidates (anonymized as NP…
- Edge Inference
- Npu Benchmarking
- Onnx Optimization
Edge ML and On-Device Machine Learning - AnalysisBeginnerNew
Inflation Hedging for a Lagos D2C Cosmetics Brand
Your task is to analyze recent inflation data, Central Bank of Nigeria (CBN) monetary policy, and USD/NGN exchange rate trends. Then, propose a combination of financial instrume…
- Inflation Analysis
- Monetary Policy
- Exchange Rate Forecasting
Macroeconomics - AnalysisBeginnerNew
Valuing a Toronto D2C Cosmetics Scale-Up
Your task is to build a financial model projecting GlowUp's cash flows for 5 years, estimate terminal value, and derive an equity value per share. You must also select a peer gr…
- Three Statement Modeling
- DCF Valuation
- Comparable Company Analysis
Financial Statement Analysis & Valuation - AnalysisBeginnerNew
Sales Performance Analysis for a 40-Person SaaS Scale-Up
You will receive a dataset containing 500+ sales opportunities with fields like deal value, stage, source, close date, and account size. Your challenge is to design a data mart …
- Data Warehousing
- Etl Fundamentals
- Olap
Business Intelligence
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.
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