2151 search results for "Map"

R: Mapping Philippine Earthquakes (October 2013)

November 5, 2013
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R: Mapping Philippine Earthquakes (October 2013)

Last month, October 15, 2013 around 8:12 am (Philippine Time), a magnitude 7.2 earthquake hit Bohol island, detroying several infrastructures and killing hundreds of residents. The Philippine Institute of Volcanology and Seismology or PhiVolcs recorde...

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Interactive maps with polygons using R, Geojson, and Github

October 22, 2013
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Previously on this blog we have discussed making geojson maps and uploading to Github for interactive visualization with USGS BISON data, and with GBIF data, and on my own personal blog. This is done using a file format called geojson, a file format based on JSON (JavaScript Object Notation) in which you can specify geographic...

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FEMA’s Flood Insurance Program – Analysis & Maps using R

October 20, 2013
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The National Flood Insurance Program (NFIP) by the Federal Emergency Management Agency (FEMA) in the United States enables property owners in participating communities to purchase insurance protection from the government against losses from flooding (h...

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Big and small daycares in Toronto by building type, mapped using RGoogleMaps and Toronto Open Data

October 17, 2013
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Big and small daycares in Toronto by building type, mapped using RGoogleMaps and Toronto Open Data

Before my daughter was born, I thought that my wife and I would have to send her to a licensed child care centre somewhere in Toronto.  I had heard over and over how long of a waiting list I should … Continue reading →

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Equidistant points on a map

October 17, 2013
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Equidistant points on a map

This morning, I had a comment on a recent post, regarding a graph I did upload on the blog, which was extracted from a paper now online (see http://hal.archives-ouvertes.fr/hal-00871883). Jo (from KUL, I guess I can share that piece of information) asked me I was wondering whether you would want to share the R code for plotting figures 1...

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Mapping Earthquake in Bohol using R

October 17, 2013
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Mapping Earthquake in Bohol using R

On my previous post a year ago (on mapping earthquake recorded for the Philippines), it can be seen that there were no earthquake (epicenter) recorded for the province of Bohol. But on the 15th of October there were more than 40 quakes recorded that hi...

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R: Mapping Typhoon Labuyo (Utor) Track

October 14, 2013
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R: Mapping Typhoon Labuyo (Utor) Track

Inspired by James Cheshire R maps, I tried mapping the track of Typhoon Labuyo (Utor) that by far the strongest one to hit Philippines this year. The data is available at Japan Meteorological Agency site, the 2013 - RSMC Best Track data. The code is av...

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How To Put Your Meetup On the Map (Literally)

October 14, 2013
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How To Put Your Meetup On the Map (Literally)

This is a guest post by Alan Briggs. Alan is a Data Scientist with Elder Research, Inc. assisting with the development of predictive analytic capabilities for national security clients in the Washington, DC Metro area. He is President-Elect of the Maryland … Continue reading → The post How To Put Your Meetup On the Map (Literally) appeared first on...

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Batch Geocoding with R and Google maps

October 12, 2013
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Batch Geocoding with R and Google maps

I’ve recently wanted to geocode a large number of addresses (think circa 60k) in Ireland as part of a visualisation of the Irish property market. Geocoding can be simply achieved in R using the geocode() function from the ggmap library. The geocode function uses Googles Geocoding API to turn addresses from text to latitude and

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Using Google maps API and R

September 3, 2013
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Using Google maps API and R

This post shows how to use Google Maps‘ API with R. Combine the first part with Plyr and it becomes a very powerful tool in just a few lines of code. You can find a gist in RMarkdown with the code here or click below to continue reading. The post Using Google maps API and R appeared first on

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