Wayfair · Data AnalyticsE-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
Mayuresh Gaikwad0Project Gallery
Real data projects, built by people getting hired.
Every project here answers a real business brief, not a toy dataset. Read the work, see how someone else approached it, then publish your own.
18 projects
- Wayfair · Data Analytics
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
AMRIT BAKSHI0
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
Abhinaya paleti0
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
RAGHUNATH SINGH0
Stripe · NLPHelp Center Search
Build a search engine that finds the right help article for questions written in customers' own words, and measure it properly.
- Information retrieval
- Search ranking
- TF-IDF and BM25
- hard
Disha Agarwal0
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
Sachin Singh Negi0
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
Harshita Soni0
- Stripe · NLP
Help Center Search
Build a search engine that finds the right help article for questions written in customers' own words, and measure it properly.
- Information retrieval
- Search ranking
- TF-IDF and BM25
- hard
Sadiya Syed0
Duolingo · Data ScienceLearner Personas with Clustering
Use clustering to discover the kinds of learners using the app, and turn each group into a persona the product team can act on.
- Clustering
- K-means
- Feature scaling
- medium
Mateen Hameem0
- Duolingo · Data Science
Learner Personas with Clustering
Use clustering to discover the kinds of learners using the app, and turn each group into a persona the product team can act on.
- Clustering
- K-means
- Feature scaling
- medium
Robinhood · Data AnalyticsMarketing Channel Performance
Compare six months of ad spend against signups and paying customers, then recommend where the next budget should go.
- Marketing metrics
- Joins and aggregation
- CAC and ROAS
- easy
Puskar Koirala0
Etsy · Data ScienceCheckout Redesign A/B Test
Analyze a four-week checkout experiment, deal with messy tracking, and decide whether the redesign should launch.
- A/B testing
- Hypothesis testing
- Confidence intervals
- hard
Kirthi Sabari0
DoorDash · Data ScienceDelivery Time Prediction
Build and evaluate a model that predicts food delivery times, then explain what makes deliveries slow.
- Regression
- Feature engineering
- scikit-learn
- hard
Subashh Tiwarii0
- DoorDash · Data Science
Delivery Time Prediction
Build and evaluate a model that predicts food delivery times, then explain what makes deliveries slow.
- Regression
- Feature engineering
- scikit-learn
- hard
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
V I N A Y J A G T A P0
- Robinhood · Data Analytics
Marketing Channel Performance
Compare six months of ad spend against signups and paying customers, then recommend where the next budget should go.
- Marketing metrics
- Joins and aggregation
- CAC and ROAS
- easy
Papu Singh deo0
- Etsy · Data Science
Checkout Redesign A/B Test
Analyze a four-week checkout experiment, deal with messy tracking, and decide whether the redesign should launch.
- A/B testing
- Hypothesis testing
- Confidence intervals
- hard
- Wayfair · Data Analytics
E-commerce Sales Analysis
Clean two years of online store orders and turn them into a clear sales review for next year's plan.
- Data cleaning
- pandas
- Time series trends
- easy
Sarnadip0