Data · Databases
Design a database for a hostel or library
Model a real system as tables, normalise it and answer ten questions with SQL.
- Intermediate
- 1–2 weeks
- Free
13 Data projects
Data · Data Analytics
Explore a dataset and tell its story
Pick a public dataset, ask five questions of it and answer each with a chart.
- Easy
- 2–7 days
- Free
Data · Data Visualization
Visualise your own screen time for a month
Log your phone's screen-time figures daily and find your patterns.
- Easy
- 2–4 weeks
- Free
Data · Data Engineering
Build a data pipeline that runs every day
Fetch a public data feed daily, clean it, store it in a database and chart the history.
- Advanced
- 2–4 weeks
- Free
Data · Big Data
Analyse a large open dataset with SQL
Load a multi-million-row public dataset and answer ten business questions with efficient queries.
- Advanced
- 1–2 weeks
- Free
Data + Operations, HR and Supply Chain
Build a sales dashboard
Turn a public retail dataset into a one-page dashboard that answers a manager's questions.
- Intermediate
- 1–2 weeks
- Free
Data + Marketing
Mine association rules from shopping baskets
Find which products are bought together in a public transaction dataset.
- Advanced
- 1–2 weeks
- Free
Data · Data Engineering
Clean a messy real-world dataset
Take a messy government dataset and produce a clean, documented version with a script.
- Intermediate
- 2–7 days
- Free
Data + EdTech and Study Tools
Visualise how a sorting or search algorithm works
Animate bars being sorted so a learner can see each comparison and swap.
- Intermediate
- 2–7 days
- Free
Data + Statistics and Probability
Analyse cricket data to test a common belief
Use ball-by-ball public data to test a claim such as "winning the toss wins the match".
- Intermediate
- 1–2 weeks
- Free
Data + Statistics and Probability
Test whether a coin or die is fair with statistics
Roll a die 300 times and test whether the results fit a fair die.
- Easy
- 1 day
- Free
Data · Data Science
Analyse traffic accidents with open data
Use official accident statistics to find when, where and why accidents happen in your state.
- Intermediate
- 1–2 weeks
- Free
Data + Environmental Science
Build a dashboard of your city's air quality
Pull official air-quality readings and show daily, weekly and seasonal patterns.
- Intermediate
- 1–2 weeks
- Free
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