3274 search results for "map"

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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R & GGMap Visualization Case Study

January 21, 2016
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Guest post by Krishna Prasad As a business analyst using R, one has often stumbled across situations for visually representing the data on a map. Here are some common scenarios: ·         Represent the most densely populated cities on a Map ·         Showing the cheapest places to live in ·         Where can one buy a home with the cheapest home Insurance...

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10 D3.js and WebGL weather, maps, and geography charts made in Python and R

January 16, 2016
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10 D3.js and WebGL weather, maps, and geography charts made in Python and R

Below are 10 charts made in R or Python by Plotly users on weather, maps and geography. 1. Doctor Who? – Timelords weather forecast for different cities Chart Link: https://plot.ly/~wthrmn/30/timelords-weather-forecast-1152016/Chart Author: @ wthrmnTouched up in: Plotly online editorCode: Python code R Code 2. Its raining ! – US Precipitation (June 2015) Chart Link: https://plot.ly/~RPlotBot/334/us-precipitation-06-30-2015-source-noaa/Chart Author:

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Combining Admin 1 Choropleths and Reference Maps

January 11, 2016
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Combining Admin 1 Choropleths and Reference Maps

A new version of choroplethr (v3.4.0) is now on CRAN. It allows you to combine Administrative Level 1 choropleths with reference maps. For reference, this functionality has been present for US maps for a while now (1, 2). This update just extends that functionality to the Administrative Level 1 mapping function, admin1_choropleth. To do this, The post

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Create your own hexamaps

January 4, 2016
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Create your own hexamaps

Hexamaps are gaining in popularity. Most notably has been the versions, where the map of the USA has been made into a hexamap. But people have also made maps of Europe using hexagons. The idea is that one unit is one hexagon. So in case of the US, each state is one hexagon. In the... Read more »

Faster Admin 1 Maps in Choroplethr

January 4, 2016
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Faster Admin 1 Maps in Choroplethr

A new version of ChoroplethrAdmin1 is now on CRAN, and it dramatically speeds up making Administrative Level 1 maps in choroplethr. “Administrative Level 1” is just a generic term for “1st subnational division”. In the US this is called a State, in Canada it’s called a Province, and so on. Overall, this package contains Admin The post

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