995 search results for "maps"

Visualising thefts using heatmaps in ggplot2

August 17, 2015
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Visualising thefts using heatmaps in ggplot2

This is a continuation of my previous article, where I gave a basic overview of how to construct heatmaps in R. Here, I will show you how to use R packages to build a heatmap on top of the map of Chicago to see which areas have the most amount of crime. We will require

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Administrative Maps and Projections in R

July 23, 2015
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Administrative Maps and Projections in R

Today I will demonstrate how to create maps of “other countries”, and use map projections, with the choroplethr package in R. I write “other countries” in quotes because, like most things, translating a high level wish into software can be complicated. If you want to skip ahead and play with a web app that lets you explore The post

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3D Graphing & Maps For Excel, R, Python, & MATLAB: Gender & Jobs, a 3D Gaussian, Alcohol, & Random Walks

July 1, 2015
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3D Graphing & Maps For Excel, R, Python, & MATLAB: Gender & Jobs, a 3D Gaussian, Alcohol, & Random Walks

Showing a third dimension on a flat computer screen is usually hard. Plotly’s interactive 3D graphing changes that. You can zoom, toggle, pan, rotate, spin, see data on the hover, and more. In this post we’ll make 3D graphs with our APIs fo...

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Leaflet: Interactive web maps with R

June 24, 2015
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Leaflet: Interactive web maps with R

We are excited to announce that a new package leaflet has been released on CRAN. The R package leaflet is an interface to the JavaScript library Leaflet to create interactive web maps. It was developed on top of the htmlwidgets framework, which means the maps can be rendered in R Markdown (v2) documents, Shiny apps, and RStudio IDE

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d3heatmap: Interactive heat maps

June 24, 2015
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d3heatmap: Interactive heat maps

We’re pleased to announce d3heatmap, our new package for generating interactive heat maps using d3.js and htmlwidgets. Tal Galili, author of dendextend, collaborated with us on this package. d3heatmap is designed to have a familiar feature set and API for anyone who has used heatmap or heatmap.2 to create static heatmaps. You can specify dendrogram, clustering, and scaling options

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Creating Styled Google Maps in ggmap

May 27, 2015
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Creating Styled Google Maps in ggmap

In R, my go to package for creating maps is ggmap. Using this, one can create maps using a variety of services, including Google maps. I just recently discovered the ability to create a styled version of a Google map. Let's go through this process to create a black and white map of Chicago, with the parks...

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Interactive maps of Crime data in Greater London

May 25, 2015
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Interactive maps of Crime data in Greater London

In the previous post we looked at ways to perform some introductory point pattern analysis of open data downloaded from Police.uk. As you remember we subset the dataset of crimes in the Greater London area, extracting only the drug related ones. Subseq...

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Unsupervised Google Maps image classification

May 19, 2015
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Unsupervised Google Maps image classification

This is a guest post by Florian Detsch Prerequisites Required packages First, we need to (install and) load some packages required for data processing and visualization. The below code is mainly based on the Rsenal package, which is a steadily … Continue reading →

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Interactive maps for the web in R

May 15, 2015
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Interactive maps for the web in R

Static MapsIn the last post I showed how to download economic data from the World Bank's website and create choropleth maps in R (Global Economic Maps).In this post I want to focus more on how to visualize those maps.Sp PackageProbably the simplest way...

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U.S. Drought Monitoring With Hexbin State Maps in R

May 15, 2015
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U.S. Drought Monitoring With Hexbin State Maps in R

On the news, today, of the early stages of drought hitting the U.S. northeast states I decided to springboard off of yesterday’s post and show a more practical use of hexbin state maps than the built-in (and still purpose unknown to me) “bees” data. The U.S. Drought Monitor site supplies more than just a pretty

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