3743 search results for "Map"

Plotting GeoJSON data on a map with R

December 10, 2016
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GeoJSON is a standard text-based data format for encoding geographical information, which relies on the JSON (Javascript object notation) standard. There are a number of public datasets for Greenville, SC that use this format, and, the R programming language makes working with these data easy. Install the rgeojson library, which is part of the ROpenSci family of packages. In this...

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The hourly heatmap with ggplot2

November 30, 2016
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The hourly heatmap with ggplot2

a quick follow up to my last post - I’ve had a few folk get in touch following my last post, all commenting on the last plot : Most of these enquiries went along the following lines: “I hadn’t thought of doing that. It looks really ...

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Visualization Example: Interactive Oilfield Map

November 30, 2016
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Visualization Example: Interactive Oilfield Map

Recently I came across some R tutorials about creating interactive maps and I decided to build my own. I like the Google Maps interface design, so I wanted to make it look similar, i.e....

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A heat map of Divvy bike riders in Chicago

November 28, 2016
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A heat map of Divvy bike riders in Chicago

Chicago's a great city for a bike-sharing service. It's pretty flat, and there are lots of wide roads with cycle lanes. I love Divvy and use it all the time. Not so much in the winter though: it gets very cold here. Nonetheless, this heat map of Divvy riders, created in R by Austin Wehrwein, reveals a hardcore set...

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Putting data on maps using R: easier than ever

November 23, 2016
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Putting data on maps using R: easier than ever

Using R to add data to maps has been pretty straightforward for a few years now. That said, it seems easier than ever to do things like use map APIs (e.g. Google, Open Street Map), overlay quite complex data visualisations (e.g. “heatmap-style” densities) and even generate animations. A couple of key R packages in this

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Create an interactive web map with geotagged photos

November 22, 2016
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Part 2: Create an interactive web map with geotagged photos See the other parts in this series of blog posts. In part 1 we looked at making a simple interactive map using locations from our geotagged photos. Those photos have data associated with the...

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Use Rstats to Share Google Map Stars with Friends

November 21, 2016
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Use Rstats to Share Google Map Stars with Friends

On my trip to Japan, I took this photo of the stairs leading to the “Rucker Park of Tokyo.” I crossed up some Tokyo cats, they were garbage. That one girl behind the blue pillar was practicing her hip hop power moves. She thought no one could see, but I saw. I’ve been traveling. I’ve been starring

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mapmate 0.2.0

November 15, 2016
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mapmate 0.2.0

mapmate has now been updating from version 0.1.0 to 0.2.0 on Github. The key change is the incorporation of new functions, help docs and code examples focused on network maps, which is a more complex map type not previously covered. The new tutorial content below provides a a couple basic code examples for making network

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How to make a simple heatmap in ggplot2

November 15, 2016
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How to make a simple heatmap in ggplot2

In the world of data visualization, the heatmap is underrated and underutilized. It has limitations, but overall, it’s an excellent tool in your data science and data visualization toolkit. After you’ve mastered the foundational visualization techniques (you can write the code for the basic plots in your sleep, right?), you should learn the heatmap.   The post

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Maps II – How does Competition affect Gas Prices?

November 14, 2016
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Maps II – How does Competition affect Gas Prices?

In the last post, I mapped gas stations and gas prices in Germany. After posting it, I started to look at the dataset from a different angle. The starting question was; “How can I model gas prices? What are the influencing factors?” One well know...

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