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Heatmaps are the Heat

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Heatmaps are the Heat

  1. 1. Things are Heating Up in Geo: Heatmaps 101 Abe Usher, CIO abe@thehumangeo.com 703.955.1540 @abeusher INFORMATION INTO INSIGHT
  2. 2. Our Menu of Subtopics A LITTLE HISTORY WHY HEATMAPS? DATA GONE WILD Big data requires new approaches. A new organizing construct for Who am I? What is HumanGeo? information analysis. KITCHEN MODEL SPECIFIC EXAMPLES EASTER EGG New ways to combine internal data Concrete take-aways. Treats for making it through another with external new media for presentation. maximum insight. 2
  3. 3. What’s in it for you? 3
  4. 4. But wait, there’s more! https://www.shamwow.com/ 4
  5. 5. What’s in it for you?  Make custom heatmaps  Twitter mashups  New spatial data-analysis framework 5
  6. 6. Whoami? 6
  7. 7. Whoami? People Data Beverages 7
  8. 8. A rose by any other name “Discrete & continuous methods of kernel density estimation” 8
  9. 9. A rose by any other name “Discrete & continuous methods of kernel density estimation”  Gaussian  Quartic  Exponential  Triangular  Uniform  Epanechnikov 9
  10. 10. A rose by any other name “Discrete methods of kernel density estimation” 10
  11. 11. About Big Data (Digital) Human Geography  Predictive models of social drift & human behavior  Streaming media analytics  Micro-demographics We’re hiring! info@thehumangeo.com 11
  12. 12. Why Heatmaps?  Too much data 12
  13. 13. Why Heatmaps?  Too much data  Trust in Internet data 13
  14. 14. Why Heatmaps?  Too much data  Trust in Internet data  They look cool 14
  15. 15. Why Heatmaps?  Too much data  Trust in Internet data  They look cool Heatmaps provide us with a concise, summary understanding of spatial data. 15
  16. 16. Trust and Internet Information Tracy Morrow aka “Ice T” 16
  17. 17. Trust and Internet Information “Game knows game, baby.” Tracy Morrow aka “Ice T” 17
  18. 18. Trust and Internet Information “If you have expert knowledge, then you are capable of recognizing expert knowledge.” [paraphrased] Tracy Morrow aka “Ice T” 18
  19. 19. Trust and Internet Information Can we actually trust this Internet stuff? 19
  20. 20. Trust and Internet Information 20
  21. 21. Trust and Internet Information 21
  22. 22. Trust and Internet Information 22
  23. 23. Salami Slicing Salami slicing: series of minor observations, resulting in a larger observation that would be difficult to perform http://en.wikipedia.org/wiki/Salami_slicing 23
  24. 24. Seven Layer GLT 1. OpenStreetMap data 2. Flickr 3. Panoramio 4. Geonames.org 5. Twitter 6. Wikimapia 7. 4Square * Geospatial Lattice of Trusted Data 24
  25. 25. Seven Layer GLT 1. OpenStreetMap data 2. Flickr 3. Panoramio 4. Geonames.org 5. Twitter 6. Wikimapia 7. 4Square Spatial Temporal User Finds From the Field (STUFFF) 25
  26. 26. Putting it Together OpenStreetMap (OSM) + Spatial Temporal User Finds From the Field (STUFFF) 26
  27. 27. Putting it Together OpenStreetMap (OSM) + Spatial Temporal User Finds From the Field (STUFFF) = Awesome Stuff 27
  28. 28. Kitchen Model for Spatial Analysis 28
  29. 29. Kitchen Model for Spatial Analysis Chef 29
  30. 30. Kitchen Model for Spatial Analysis Chef Ingredients 30
  31. 31. Kitchen Model for Spatial Analysis Chef Ingredients Utensils 31
  32. 32. Kitchen Model for Spatial Analysis Chef Ingredients Utensils Presentation 32
  33. 33. Kitchen Model for Spatial Analysis Chef Ingredients Utensils Presentation 33
  34. 34. Types of Heatmaps Turnkey  GeoCommons  SpatialKey  MapBox/TileMill  ArcGIS Desktop  QGIS Custom  Python  R  Javascript 34
  35. 35. Types of Heatmaps Turnkey  GeoCommons  SpatialKey  MapBox/TileMill  ArcGIS Desktop  QGIS Custom  Python  R  Javascript 35
  36. 36. Heatmap: Recipe One “OSM Style” Get Python http://python.org Get the sethoscope library http://www.sethoscope.net/heatmap/ Get data http://bit.ly/geotweet_sc https://dev.twitter.com/docs/streaming-api/methods#locations Command line: heatmap.py -g portland.gpx -o output.png --height 800 --osm 36
  37. 37. 37
  38. 38. Heatmap: Recipe One Stitch it together in an MP4 movie! Get the CLI app: http://ffmpeg.org/ Command line: heatmap.py -g portland.gpx -o output.png --height 800 –osm –a ffmpeg -i frame-%05d.png OSM_is_awesome.mp4 38
  39. 39. Heatmap: Recipe One Props to Seth Golub from Google http://www.sethoscope.net/ 39
  40. 40. Heatmap: Recipe Two “GE Style” Get Python http://python.org Get the heatmap.py library http://jjguy.com/heatmap/ Get data http://bit.ly/geotweet_sc Enjoy! 40
  41. 41. Heatmap: Recipe Two Props to J.J. Guy from Mantech http://jjguy.com/ 41
  42. 42. 42
  43. 43. Contact Us HumanGeo NY HumanGeo DC 1221 Avenue of the Americas 2500 Wilson Boulevard Suite 4200 | New York, NY 10020 Suite 310 | Arlington, VA 22201 info@thehumangeo.com | 703.341.0863 | www.thehumangeo.com 43
  44. 44. Easter Egg http://bit.ly/geotweet_sc 44

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