Political Science · Elections
Analyse election results in your constituency
Use official results from three elections to chart turnout, vote share and margins.
- Intermediate
- 1–2 weeks
- Free
Public-data projects 48
Projects built on open datasets from governments, space agencies and research groups.
Environmental Science · Pollution
Measure air quality with sticky cards
Hang petroleum-jelly cards at five locations and compare the particles they collect in a week.
- Easy
- 2–7 days
- Under 250
Artificial Intelligence · Deep Learning
Classify handwritten digits with a neural network
Train a small neural network on the MNIST digits and study where it goes wrong.
- Intermediate
- 1–2 weeks
- Free
Artificial Intelligence + Statistics and Probability
Predict house prices with linear regression
Use a public housing dataset to predict price from size, rooms and location.
- Intermediate
- 2–7 days
- Free
Biology + Data
Compare a DNA sequence across species with free tools
Download one gene from six species, align the sequences and build an evolutionary tree.
- Advanced
- 1–2 weeks
- Free
Artificial Intelligence · NLP
Detect spam messages with a text classifier
Train a model on a public SMS dataset to separate spam from normal messages.
- Intermediate
- 1–2 weeks
- Free
Literature and English + Data
Analyse word use in a novel with a computer
Count words and character mentions in a public-domain novel and see what the numbers reveal.
- Intermediate
- 1–2 weeks
- Free
Development and Applied Economics · Econometrics
Test whether education and earnings are related
Use a public survey dataset to estimate how much an extra year of schooling relates to earnings.
- Advanced
- 2–4 weeks
- Free
Macroeconomics · Growth
Analyse your country's growth over 30 years
Chart GDP growth, sector shares and income per person, and explain three turning points.
- Intermediate
- 1–2 weeks
- Free
Public Health and Epidemiology + History
Map a disease outbreak like John Snow
Recreate the 1854 cholera map from public data and show how it pointed to one water pump.
- Intermediate
- 2–7 days
- Free
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
Environmental Science + Data
Analyse 50 years of your city's temperature data
Download long-term temperature records and test whether your city has warmed, and by how much.
- Intermediate
- 1–2 weeks
- Free
Public Policy and Governance + Macroeconomics
Analyse a government policy from start to result
Choose one policy and assess its goal, design, cost and results with published data.
- Intermediate
- 2–4 weeks
- Free
Artificial Intelligence · Recommendation Systems
Build a movie recommender
Recommend films from the public MovieLens ratings using item similarity.
- Advanced
- 2–4 weeks
- Free
Artificial Intelligence + Agricultural Technology
Recognise plant diseases from leaf photos
Train a model on public leaf images to tell healthy leaves from diseased ones and test it on your own photos.
- Advanced
- 1–3 months
- Free
Artificial Intelligence · Machine Learning
Compare machine-learning models on one dataset
Evaluate five classifiers on the same public dataset with cross-validation and report the differences properly.
- Advanced
- 1–2 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
Biology · Zoology
Survey the birds of your neighbourhood
Do weekly point counts of birds at three sites and compare species between habitats.
- Easy
- 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
Statistics and Probability · Data Analysis
Predict cricket scores with a simple model
Use the score at 10 overs to predict the final total and measure how wrong you are.
- Intermediate
- 1–2 weeks
- Free
Development and Applied Economics · Development Economics
Compare development indicators across states
Compare income, literacy and health indicators across states and see how closely they move together.
- Intermediate
- 1–2 weeks
- Free
Artificial Intelligence + Marketing
Cluster customers into groups
Group customers by spending behaviour with k-means and describe each group in plain words.
- Intermediate
- 1–2 weeks
- Free
Sociology · Inequality
Compare two neighbourhoods using census data
Use census tables to describe occupation, literacy and housing in two wards and compare them.
- Advanced
- 2–4 weeks
- Free
Macroeconomics + Public Policy and Governance
Evaluate a government scheme from published data
Choose one scheme and test whether its target indicator improved after it started.
- Advanced
- 2–4 weeks
- Free
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