Data Analysis
If you like applying Data Analysis, every challenge here gives you a chance to practice it on a real industry brief.
- CodeFoundationalNew
Optimizing Inventory for a Barcelona D2C Cosmetics Brand
You are given a CSV file with 6 months of daily sales data for 20 SKUs, including product name, date, units sold, and current stock level. Your task is to write a Python program…
- Python
- Data Cleaning
- Data Analysis
Open coursework - AnalysisIntermediateNew
Channel Partner Program for a Munich Industrial Sensor Manufacturer
Your task is to create a new channel partner program. You will analyze sales data from the past 2 years (provided in a CSV with 10,000 transactions) to identify top-performing p…
- B2B Marketing
- Channel Management
- Data Analysis
Open coursework - AnalysisIntermediateNew
Diagnose and Restart LearnLab's Stalled Math-Tutoring Sprint
Treat the squad as a field site you can study through the records it has already produced. Using only the three provided materials, build a quantitative picture and a qualitativ…
- Scrum
- Retrospective Facilitation
- Data Analysis
Open coursework - AnalysisBeginnerNew
Optimizing Last-Mile Delivery for a New York D2C Cosmetics Brand
Your task is to evaluate the startup's current last-mile delivery operations using the SCOR model and propose improvements. Constraints: no capital expenditure for a private fle…
- Supply Chain Analysis
- Scor Model
- Logistics Optimization
Open coursework 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
- AnalysisBeginnerNew
Diagnose and Optimize Inventory for a Milan Cosmetics Brand
Work only from the two materials you are given: a daily sales dataset covering the past twelve months for the ten products, and a parameters brief listing each product's price, …
- Excel Modeling
- Vba Programming
- Demand Forecasting
Open coursework - ResearchFoundationalNew
Diagnose GreenBite's Plant-Based Chicken Launch Readiness
Work only from the four items in the provided materials: the GreenBite launch-readiness case file, the draft consumer survey instrument left by the previous analyst, the nationa…
- Survey Design
- Data Analysis
- Consumer Behavior
Open coursework - StrategyBeginnerNew
Revamping Loyalty for a Mexico City D2C Cosmetics Brand
You are hired as a marketing analyst. Analyze Brillo Natural's existing customer data (provided in a simulated dataset) to identify purchase patterns and decision triggers. Prop…
- Consumer Psychology
- Segmentation
- Loyalty Program Design
Open coursework - AnalysisBeginnerNew
Impact Measurement for a San Francisco D2C Cosmetics Brand
Your task is to develop a comprehensive impact measurement framework for GlowRoot. You will identify relevant metrics (e.g., carbon footprint reduction, trees planted, customer …
- Impact Measurement
- Social Return On Investment
- Data Analysis
Social Entrepreneurship and Impact - Browse challenges
Explore role
Strategy Analyst
Frame the business question, model the options, build the recommendation. From market sizing to competitive analysis, this role is where strategy consulting meets in-house decision-making.
- StrategyFoundationalNew
Restructure GreenMart's Store Sales Force to Lift Upselling
Using the provided transaction-level sales export, the staff roster and turnover record, and the store-visit field notes, build a sales force restructuring plan for GreenMart's …
- Sales Force Analysis
- Incentive Design
- Training Program Design
Open coursework - AnalysisIntermediateNew
Forecasting Churn for a SaaS Scale-Up
You are a data scientist intern at TaskFlow. Using the provided dataset, perform feature engineering and build a logistic regression or decision tree model to predict churn. Ide…
- Data Analysis
- Regression
- Classification
Open coursework - 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
Open coursework - AnalysisIntermediateNew
Map Knowledge Diffusion Across an Open-Source Project Ecosystem
Using the de-identified contributor activity export (material 1), build a temporal contributor-project network from the recorded events, then collapse it into a contributor-to-c…
- Network Science
- Temporal Networks
- Graph Analysis
Open coursework Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- StrategyIntermediateNew
Rebuilding Trust After a Toxic Culture Scandal at Cedar Pay
Using only the materials provided, produce a six-month culture transformation program for Cedar Pay. Begin by diagnosing root causes from the employee pulse survey ('employee-pu…
- Organizational Culture Diagnosis
- Change Management
- Employee Engagement
Open coursework - StrategyBeginnerNew
Rescue QuickBite's Slipping Users with Mobile Marketing
Your analysis task is to build a mobile marketing retention plan for QuickBite using only the three materials you are given: the case file documenting the company's retention si…
- Mobile Marketing
- User Segmentation
- Push Notifications
Open coursework - AnalysisIntermediateNew
Social Preferences in a 40-Person SaaS Scale-Up
You are an internal behavioral economist at TaskFlow. Analyze the current compensation structure (50% base, 50% individual commission) and its behavioral pitfalls. Propose a new…
- Incentive Design
- Game Theory
- Social Preferences
Open coursework - AnalysisIntermediateNew
Pivot or Persevere for a Food-Tech Startup
Your team has one week to analyze provided customer data (acquisition channels, churn rates, unit economics) and market research on the B2B office food market. Deliver a recomme…
- Data Analysis
- Unit Economics
- Business Model Canvas
Open coursework - CodeBeginnerNew
Optimizing Last-Mile Delivery for a Lisbon Grocery Startup
Your task is to build a linear programming model (or heuristic) to assign orders to vehicles and sequence deliveries. Success means reducing average route length by at least 15%…
- Linear Programming
- Python
- Route Optimization
Open coursework - 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 - AnalysisFoundationalNew
Pricing Strategy for a Sustainable Fashion Brand
You are a pricing analyst at EcoWear. Using the survey data (simulated with 500 responses) and competitor prices, perform a conjoint analysis or price elasticity analysis. Deter…
- Data Analysis
- Statistics
- Data Visualization
Open coursework - StrategyBeginnerNew
Plot a Diversification Path for a Nairobi Skincare Brand
Using the founder's company case file, the product portfolio sales dataset, and the category attractiveness readout provided to you, run a portfolio analysis (the BCG growth-sha…
- Portfolio Analysis
- Market Research
- Strategic Thinking
Open coursework - AnalysisSeniorNew
Process Mining for Order-to-Cash in a Mid-Size Manufacturing Firm
Your task is to analyze the provided event log using process mining software (e.g., Disco, Celonis, or ProM). Discover the as-is process model, identify bottlenecks, rework loop…
- Process Mining
- Event Log Analysis
- Bpmn Modeling
Business Process Management - AnalysisIntermediateNew
Optimizing Portfolio for a Swiss Fintech Startup
Your task is to design a diversified portfolio of up to 8 ETFs from a provided universe of 10, maximizing the Sharpe ratio. You must present a clear rationale for your asset sel…
- Portfolio Optimization
- Modern Portfolio Theory
- Sharpe Ratio
Investment Analysis and Portfolio Management
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
Hiring from this pool?
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.