Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisSeniorNew
Forensic Reconstruction of an Anonymized Energy-Grid Incident
Triage the artifacts using a timeline-first methodology. Build a unified timeline across syslog, historian, firewall, and disk-image artifacts (Plaso super-timeline). Identify c…
- Digital Forensics
- Incident Response
- Ics Security
Cyber-Physical and Cybercrime Topics - AnalysisIntermediateNew
Build a Performance Model for a Molecular-Dynamics Job
Build an analytical performance model covering: compute time per step (function of atom count + cutoff + interaction type), inter-rank communication cost (function of decomposit…
- Performance Modeling
- Gromacs
- Benchmark Design
High-Performance and Scientific Computing - 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 - AnalysisBeginnerNew
Cost Allocation for an Austin D2C Cosmetics Startup
You are a junior management accountant hired by GlowUp. Using provided financial data (sales, direct costs, overhead pools, and activity drivers), implement an ABC model to allo…
- Activity Based Costing
- Cost Allocation
- Profitability Analysis
Management and Cost Accounting Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- AnalysisIntermediateNew
Sparse Linear Solver for a Finite-Element Crash Sim
Use PETSc (or Eigen's IterativeLinearSolvers + a custom AMG) to benchmark: (1) GMRES + ILU(0), (2) GMRES + AMG (BoomerAMG), (3) BiCGStab + ILU(0), (4) BiCGStab + AMG, on three m…
- Sparse Linear Algebra
- Krylov Methods
- Preconditioning
Scientific Computing and Numerical Methods - AnalysisBeginnerNew
Choose a Hash Table vs Trie for a URL-Shortener Cache
Implement (1) a hash-table cache with linear probing and (2) a compressed trie cache, both with the same eviction policy (LRU). Measure (a) p50/p99 lookup latency, (b) memory fo…
- Hash Tables
- Trie Data Structure
- Benchmarking
Data Structures - AnalysisSeniorNew
Gender Pay Gap Audit at a Hamburg Tech Scale-up
Your task is to analyze the provided anonymized employee dataset (including salary, job level, tenure, performance rating, and gender) to determine if a gender pay gap exists af…
- Pay Gap Analysis
- Regression Analysis
- Blinder Oaxaca Decomposition
Labor Economics - 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 - Browse challenges
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Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- 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 SaaS Scale-Up for Series B Funding
You have been provided with DataFlow Analytics' financial projections for the next five years, including revenue, costs, and cash flows. Your task is to value the company using …
- DCF Valuation
- Comparable Company Analysis
- Venture Capital Method
Corporate Finance (Graduate) - AnalysisIntermediateNew
Resilience Analysis of a National Power-Distribution Network
Receive an anonymized topology of the medium-voltage network (4,200 nodes, 4,800 edges, each edge with capacity + age + redundancy flag). Build the network in NetworkX, compute …
- Network Science
- Graph Analysis
- Resilience Analysis
Network Science and Computational Social Science - AnalysisBeginnerNew
Developing a Talent Retention Strategy for a Renewable Energy Firm
Your task is to conduct a retention analysis using provided exit interview data, turnover metrics, and compensation benchmarks. Then design a retention strategy with at least th…
- Retention Analysis
- Turnover Metrics
- Compensation Benchmarking
Human Resource Management Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- AnalysisIntermediateNew
OSS License Audit and Remediation Plan for a Series-B Dev-Tools Startup
Receive an SBOM (Software Bill of Materials) from the build pipeline (CycloneDX JSON) for 14 services and 3 SDKs. Run automated classification (Syft + ScanCode or FOSSA), then m…
- Oss Licensing
- Sbom
- Supply Chain Optimization
Open Source Contribution and Maintainership - AnalysisIntermediateNew
Diagnose Modern Transport-Protocol Performance for an OTT Streamer
Receive the current delivery architecture (HTTP/2 origin + CDN), 4 weeks of Conviva-style QoE (quality of experience) metrics, and access to a synthetic-client harness (Linux + …
- Quic Http3
- Network Measurement
- Transport Protocols
Advanced Computer Networks - 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 - AnalysisIntermediateNew
Predictive Maintenance for Smart Factory Conveyors
Your task is to design a predictive maintenance system for AutoParts' conveyor belts. Use vibration and temperature sensors to monitor motor health. Data should be processed at …
- Predictive Maintenance
- Sensor Deployment
- Edge Computing
Internet of Things and Smart Systems - AnalysisIntermediateNew
Capital Adequacy for a Neobank Expansion
Your task is to develop a capital adequacy assessment for Nubank's expansion into Vietnam. You will estimate credit risk for a new consumer loan portfolio using the standardized…
- Basel Iii
- Capital Adequacy
- Risk Weighted Assets
Banking and Financial Institutions - AnalysisBeginnerNew
Revenue Recognition for a SaaS Scale-Up
Your task is to produce a revenue recognition memo for the CloudSync contract. You must apply the ASC 606 five-step model, identify distinct performance obligations (software li…
- Revenue Recognition
- ASC 606
- Contract Analysis
Financial Accounting and Reporting - AnalysisBeginnerNew
Currency Risk Hedging for a German Exporter
You are a junior treasury analyst. Analyze the company's transaction exposure by reviewing historical exchange rate data and forecasted cash flows. Recommend a hedging strategy …
- Exchange Rate Analysis
- Financial Hedging
- Risk Management
International Economics - AnalysisBeginnerNew
Tax Compliance and Optimization for a Renewable Energy Cooperative
Students receive SunShare eG's annual financials: €2M revenue from electricity sales, €1.5M operating expenses, €300k EEG subsidies, and €200k member contributions. They must ca…
- Corporate Tax
- Trade Tax
- Vat
Business Taxation - AnalysisBeginnerNew
Cluster a Mid-Market SaaS Customer Base for Account-Tier Re-segmentation
Pull 12 months of usage signals from the warehouse: feature adoption depth, session frequency, integration counts, ticket volume, NPS (Net Promoter Score), seat utilization. Sta…
- Clustering
- K Means
- Hdbscan
Data Mining and Information Retrieval - AnalysisBeginnerNew
Audit Safety Stops for a Cafe-Service Robot Pilot
You receive 30 days of logs covering 240 near-miss events (close approach to a human, low-battery emergency, network loss). For each event, classify whether the safety stop trig…
- Safety Analysis
- Incident Review
- Failure Mode Analysis
Robotics - AnalysisIntermediateNew
Privacy-by-Design Review for a Smart-City Data Platform
Map the new module's end-to-end data flow (sensors -> ingestion -> analytics -> dashboards -> exports). Run a Privacy Impact Assessment against OECD privacy principles + per-ten…
- Privacy By Design
- Privacy Regulation
- Compliance
Information Security Management and Governance - AnalysisBeginnerNew
Community Detection on a Pharma Clinical-Trial Investigator Graph
You receive a pre-fetched dump of around 15,000 trials from a public registry covering oncology over the last 10 years and a mapping of trials to investigator names + institutio…
- Community Detection
- Louvain
- Leiden
Machine Learning on Graphs
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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