Koduję dla Warszawy I code for Warsaw Maciej Biłas @maciejb 

Agenda • Projects • TramGPS • all things bicycles • My experience with Koduj dla Polski 

http://psoras.wordpress.com/2008/03/28/w-moich-snach-wciaz-warszawa/ 

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• GPS data from all trams in Warsaw, real time • Passenger Information Displays • Backend app, iOS client • Tram delay prediction • Team: Wojtek, Misz, Janek, Maciek • We’re not allowed to reuse the data 

So let’s try something smaller 

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Bike parkings • Visualising crowd-sourced data • Small scope. Blog post published as a result • stojaki.waw.pl scrapper • Python, NumPy, Pandas, iPython 

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DSFSG: Divvy Data science for social good • Rebalancing bike sharing stations in Chicago • Predictions based on: num. of bikes, slots, hour of day, temperature and precipitation • Python • Maybe applicable for Veturillo? • No API for num. of bikes at station 

Available datasets • Snapshot of current bike availability • 0…5+ bikes • Scrapper • 2 months of historical data • https://nextbike.net/maps/nextbike-official.xml?city=210 • Trips • Anonymised • All monthly trips • XLS, on request from the city council 

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Koduj dla Polski
 Code for Poland • Open data, open API advocacy • Meeting place for people concerned with their city, country • Doing small fast projects (data visualisations, mashups…) • Incubator for larger for-profit, not-for-profit, hobby(?) projects 

Thanks! 

Resources: TramGPS • https://github.com/maciej/ztm-service • https://www.behance.net/gallery/15341579/tram- gps-app-hackaton • https://www.facebook.com/TramGPS 

Resources: bikes • http://maciejb.me/2014/04/22/waw-bike-racks/ • https://github.com/maciej/waw-bike-racks • http://dssg.io/2013/08/09/divvy-helping-chicagos- new-bike-share.html • https://github.com/dssg/bikeshare • https://github.com/maciej/veturillo