MAPPING DATAA guide for making geodata visualizations

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CIVIC HACKERS

WE AREN‘T JOURNALISTS, BUT...

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URBAN PLANERS

@PatrickStotz @A_Tack

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WHY WE MAKE MAPSand why journalists should do so more often

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TO DISCOVER OTHERWISEHIDDEN PATTERNS

MAPPABLE.INFOSource: John Snow 1854, public domain, http://upload.wikimedia.org/wikipedia/commons/2/27/Snow-cholera-map-1.jpg

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TO COMMUNICATE WELL KNOWN PATTERNS MORE CLEARLY

MAPPABLE.INFOSource: Michel Jansen (@dawuss / twitter) https://twitter.com/dawuss/status/382163898566057984/photo/1 by Berliner Morgenpost 2013

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TO GAIN INSIGHTS &IMPROVE DECISSION MAKING

MAPPABLE.INFOSource: http://senseable.mit.edu/livesingapore/images/raining_taxis_lg.png - LIVE Singapore! MIT Senseable City Lab

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INCREASE TRAFFIC ON YOUR SITE :-)

MAPPABLE.INFOSource: http://readingbyeugene.files.wordpress.com/2013/12/screen-shot-2013-12-23-at-11-31-00-am.png

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Finding / generating data setsa) Searching data for a given storyb) Searching a story inside a given data set

Software skills and geospatial analyticsa) Software skills (->Mappable Toolset)b) Skills in (exploratory) geodata analytics

Presenting / visualizing / validatinga) Dataviz types and techniquesb) Validating results

NECESSARY KNOW HOW FOR MAKING GEODATA VISUALIZATIONS

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ALMOST EVERYTHINGIS “MAPPABLE”

(geo-) data everywhere

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“Geodata is digital information, that can be related

to a specific spatial location”

Wikipedia

BUT: where to find the necessary data sets for your project?

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OPEN DATA PLATFORMS

GERMANY .

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GEOCODING ADDRESSES

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SELF GENERATED e.g. GPS TRACKING

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SELF DRAWNe.g. QGIS

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WE ♥ UNUSUALDATA SOURCESExamples from MAPPABLE.INFO

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OPEN DATA:NON-VOTERS

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GEOCODING:PHONE DIRECTORIES

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SCRAPING: TAXI DATA

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SCRAPING: TAXI DATA

Average speed

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SCRAPING:CARSHARING DATA

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SELF DRAWN DATA:LIMITED ACCESSIBILITY

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IS THIS ALLCOMPLICATED GIS STUFF?

A look into our toolbox

War

ning:

nerdy s

tuff

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LIVE DEMO - FROM DATASET TO MAP

1. Gathering address data of refugee homes in Hamburg2. Geocoding addresses using http://www.gpsvisualizer.com/geocoder/3. Importing and styling the data using QGIS4. Adding district borders and median income5. Exporting the map to the web using qgis2leaf

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CHOOSING THE RIGHT TOOLS -OUR TOOLBOX

http://tiny.cc/mappable_tools_en

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MAPFAILSValidating Geodata

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SPEECHLESSmapfail.tumblr.com/

Source: mapfail.tumblr.com/

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UNDERSTANDING GEODATA

Source: http://www.economist.com/node/1788311 MAPPABLE.INFO

MAPPABLE.INFOSource: http://www.economist.com/node/1788311 MAPPABLE.INFO

UNDERSTANDING GEODATA

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VALIDATING GEODATA

Source: http://aureliamoser.com/2014/05/15/538-errors-plotting-crises-and-the-protocol-of-reprocessing-data/ MAPPABLE.INFO

MAPPABLE.INFOMAPPABLE.INFOSource: http://aureliamoser.com/2014/05/15/538-errors-plotting-crises-and-the-protocol-of-reprocessing-data/

VALIDATING GEODATA

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A simple checklist for creating geovisualizations in data journalism

http://tiny.cc/mappable_checklist_en

❏ data handling❏ cartographic representation❏ visual implementation❏ legend and attribution❏ interactivity

MAPPABLE CHEAT-SHEET

MAPPING DATAquestions?

@PatrickStotz

@A_Tack