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Workshop on datajournalism given at the DataDays organised by the Open Knowledge Foundation on the 17th of February 2014.
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Workshop on Data Journalism
February 17, 2014Ghent
How to get the data and
how to process them?
Lorenzo Pellizzari1
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About me …
Get the data
Receive it
Advanced search techniquesScrape it
How to get the data?
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Receive it
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Analyzing the War Logs (Associated Press)
Advanced search techniques: Google
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79.300.000 results
5results
Advanced search techniques: SPARQL
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http://dbpedia.org/sparql
Advanced search techniques: SPARQL
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Advanced search techniques: SPARQL
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http://latemar.science.unitn.it/spacetime/spacetime.html
Freedom of Information laws
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Freedom of Information laws
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Scrape your data
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“Web scraping (web harvesting or web data extraction) is a computer software technique of extracting information from websites.” (Wikipedia)
http://www-news.iaea.org/
Scrape your data
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Scrape your data
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What Analytics, Data mining, Big Data software you used in the past 12 months for a real project (not just evaluation) [798 voters]
Process the data
http://www.kdnuggets.com/
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The software for data analysis
Share of R- or SAS-related posts to Stack Overflow by week.
http://r4stats.com/articles/popularity/
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The software for data analysis
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Example: ABC News
Scraping: Main data coming from gouvernemental websites
Variety of reports: Data on salt and water
FOI: Data on chemical releases
Interactive map of gas wells and leases in Australia
http://datajournalismhandbook.org/
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Example: ABC News
• A web developer and designer
• A lead journalist
• A part time researcher with expertise in data extraction, excel spread sheets and data cleaning
• A part time junior journalist
• A consultant executive producer
• A academic consultant with expertise in data mining, graphic visualization and advanced research skills
• The services of a project manager and the administrative assistance of the ABC’s multi-platform unit
• Importantly we also had a reference group of journalists and others whom we consulted on a needs basis
http://datajournalismhandbook.org/
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