3151 search results for "map"

Stacking the deck against treemaps

March 18, 2016
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Stacking the deck against treemaps

So, I (unapologetically) did this to @Highcharts last week: @hrbrmstr Your loss of words inspired this post!! https://t.co/3KO0BP0k0u @hadleywickham @ma_salmon @tdmv @bearloga @rushworth_a @awhstin— Highcharts (@Highcharts) March 18, 2016 They did an awesome makeover (it’s interactive if you follow the link): And, I’m not kidding, it’s actually a really good treemap. Not too many hierarchies

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Computerworld’s 10-step tutorial for creating interactive election maps with R

March 7, 2016
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Computerworld’s 10-step tutorial for creating interactive election maps with R

With the US election season in full swing, you can hardly browse a newspaper website without seeing some kind of map showing election or polling results, like this one from the New York Times. With election data (usually) accessible online, and a wealth of mapping tools available in the R language, you can fairly easily make similar maps yourself...

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Upload shapefile to R Shiny app to extract leaflet map data

March 2, 2016
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Upload shapefile to R Shiny app to extract leaflet map data

In this post I share an R Shiny app which uses the leaftlet package for interactive maps. This app differs from prior apps I’ve made featuring leaflet maps. First, it displays rasterized map data rather than just point layers. Also, longitude and latitude sliders in the browser allow for cropping the map. Additionally, the user

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R-based data maps in PowerBI

February 29, 2016
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R-based data maps in PowerBI

One of benefit of integrating R with PowerBI is access to rich array of data visulizations not present in the standard PowerBI loadout. R is practically unlimited in the types of graphics it can create (although the amount of programming required can vary from a few lines using an existing R package, to large custom functions for truly bespoke...

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Mapping Birds with Choroplethr

February 28, 2016
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Mapping Birds with Choroplethr

After releasing my course Mapmaking in R with Choroplethr last December I received an interesting email from Dr. Herb Wilson, a biologist at Colby College. Herb studies the Red-breasted Nuthatch, which live throughout the United States and Canada. He asked if it was possible to use choroplethr to map the location of these birds. Herb’s data was The post

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Overwhelming Growth In National Support for Bernie Sanders Mapped

February 25, 2016
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Overwhelming Growth In National Support for Bernie Sanders Mapped

The FEC just released the most recent campaign contributor data and the results show a strong continued widespread growth in support for Bernie Sanders across the country.Figure 1: A map of what counties and states support Bernie Sanders relative to th...

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Target Store Locations with rvest and ggmap

Target Store Locations with rvest and ggmap

I just finished developing a presentation for Target Analytics Network showcasing geospatial and mapping tools in R . I decided to use Target store locations as part of a case study in the presentation. The problem: I didn’t have any store location data, so I needed to get it from somewhere off the web. Since... Continue reading →

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Aggregating data on nanomaterials: eNanoMapper is getting closer to critical mass

February 14, 2016
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Aggregating data on nanomaterials: eNanoMapper is getting closer to critical mass

Nanosafety data for silver nanoparticlesin data.enanomapper.net visualizedwith ambit.js and d3.js.The last three weeks featured two meetings around data infrastructures for the NanoSafety Cluster. The first maating was on January 25-26 in Bru...

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Making Faceted Heatmaps with ggplot2

February 14, 2016
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Making Faceted Heatmaps with ggplot2

We were doing some exploratory data analysis on some attacker data at work and one of the things I was interested is what were “working hours” by country. Now, I don’t put a great deal of faith in the precision of geolocated IP addresses since every geolocation database that exists thinks I live in Vermont

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Plotting Maps in rbokeh

February 3, 2016
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Plotting Maps in rbokeh

There are many map plotting features in rbokeh that I haven’t been able to cover in detail in the documentation. This post will go into a few of those, including google map types, custom map styles, and using different layer functions to plot on top...

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