3221 search results for "map"

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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Mapping the world’s longest plane fights

February 3, 2016
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Mapping the world’s longest plane fights

If you're one of those people that dreads long plane flights, this map by Matt Strimas-Mackey will help you find routes to avoid. It shows Wikipedia's list of the top 30 scheduled commercial flights by distance (with code-share duplicates removed), represented as a map showing the routes colour-coded by the time spent in the air. Don't be distracted by...

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SIMD Map-Reduction with RcppNT2

February 1, 2016
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SIMD Map-Reduction with RcppNT2

Introduction The Numerical Template Toolbox (NT2) collection of header-only C++ libraries that make it possible to explicitly request the use of SIMD instructions when possible, while falling back to regular scalar operations when not. NT2 itself is powered by Boost, alongside two proposed Boost libraries – Boost.Dispatch, which provides a mechanism for efficient tag-based dispatch for functions, and Boost.SIMD, which provides a framework for the implementation of...

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Mapping US Religion Adherence by County in R

January 25, 2016
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Mapping US Religion Adherence by County in R

Today’s guest post is by Julia Silge. After reading Julia’s analysis of religions in America (“This is the Place, Apparently“) I invited her to teach my readers how to map information about US Religious Adherence by County in R. Julia can be found blogging here or on Twitter. I took Ari’s free email course for The post

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More Fun with Choropleth Maps

January 24, 2016
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More Fun with Choropleth Maps

I have a guest post up today at Ari Lamstein’s blog where I show some more fun things that can be done with the Religious Congregations and Membership Study at the ARDA that I used to look at Utah. I looked in some detail at Iowa ahead of their caucus in a few days, in light of...

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