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Here comes the science… …but how will we know?
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Engage in fair peer review.
State your purpose clearly and honestly.
Acknowledge uncertainty.
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Aren’t we ALL scientists now?
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http://www.gamesforchange.org/play/rizk/
http://www.galaxyzoo.org/
http://www.opalexplorenature.org/
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http://www.ushahidi.com/
Collaboration / peer review
http://www.openstreetmap.org/
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http://www.openheatmap.com http://geocommons.com
http://cartodb.com
Tweet mapping with R – shared computation by Miguel Rios http://blog.revolutionanalytics.com/
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Citizen Science
• It’s hard to run controlled experiments in conservation planning, flood management, infrastructure development…
• To make strategic decisions, we rely on models - to train and validate those models we need data.
• Volunteered data can be timely and plentiful
…………….But is it any good?
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The state of automated amateur weather observations (2013) Bell, S., Cornford, D. & Bastin, L. Weather. 68, 2, p. 36-41.
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Gappy data
http://code.flickr.net/2008/10/30/the-shape-of-alpha/
http://www.flickr.com/map/
Clustr + Flickr
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Image © Simon Bell
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Image © Simon Bell
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Fitness-for-purpose
The state of automated amateur weather observations (2013) Bell, S., Cornford, D. & Bastin, L. Weather. 68, 2, p. 36-41.
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Peer-reviewing data and models
GeoViQua http://geoviqua.org
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Forbes, 25/4/2013
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Obstacles to Open Data and Models
• It’s my livelihood
• It’s confidential
• What if it was misused by a blunderer?
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‘Only 12% of diabetes sufferers in South Birmingham have been recorded by GPs’
How much harm could a blunderer do?
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‘Only 12% of diabetes sufferers in South Birmingham have been recorded by GPs’
17,428 diabetic patients registered with GPs 126,322 diabetic patients not registered ...nearly 50% of the local population.
Q1. Does it fit with independent evidence?
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Q2. What data am I actually looking at?
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Q3. What are the spatial units?
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‘Spline interpolation was used to estimate values at intermediate locations’
Q4: Why (not just how) was a technique used?
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Q5. Where’s the uncertainty?
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x 5,000
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Why not automate everything?
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Copied from Casino Royale (Columbia Pictures, 1967)
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foldit http://fold.it/portal/
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Old Weather (a Zooniverse project) http://www.oldweather.org/
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British Library – Old Maps Online http://www.bl.uk/maps/index.html
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Fritz et al., Remote Sens. 2009, 1, 345-354; doi:10.3390/rs1030345 http://www.geo-wiki.org/