3363 search results for "MAP"

mapview 0.5.0

September 13, 2015
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mapview 0.5.0

I have put some more effort into mapview. The current version 0.5.0 has some new features which make the whole experience much more user-friendly. In a nutshell, changes/additions are as follows: mapView() is now also defined for SpatialPixelsDataFrame all Spatial … Continue reading →

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User Question: How to Add a State Border to a Zip Code Map?

September 10, 2015
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User Question: How to Add a State Border to a Zip Code Map?

A user recently asked me how to add a state outline to a Zip Code map. Consider this map, which shows the percent white of each Zip Code Tabulated Area (ZCTA) in New York and New Jersey: Clearly the ZCTAs in northern New York have the highest concentration of white residents. However, it would still The post

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Analyze Data: Five Ways You Can Make Interactive Maps

September 8, 2015
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Analyze Data: Five Ways You Can Make Interactive Maps

Plotly’s new map making tools let you tell stories about data as it relates to geography. This post shows five examples of how you can make and style choropleth, subplot, scatter, bubble, and line maps. We made these maps with our APIs for R and ...

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A Simple Interactive Map Of US Prisons With Leaflet

September 8, 2015
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A Simple Interactive Map Of US Prisons With Leaflet

The love of one’s country is a splendid thing. But why should love stop at the border? (Pablo Casals, Spanish cellist) Some time ago, I discovered Enigma, an amazing open platform that unifies billions of records from thousands of government sources to make the world of public data universally accessible and useful. This is the … Continue reading...

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New Lesson: Mapping Historic Census Data in R

September 7, 2015
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New Lesson: Mapping Historic Census Data in R

Today I am happy to announce a new lesson for my free email course Learn to Map Census Data in R. This lesson explains how to get and map historic census data in R. While I had intended this lesson to only go to new signups, it looks like my email provider sent it (along The post

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Minimalist Maps

September 5, 2015
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Minimalist Maps

This week, I mentioned a series of maps, on Twitter, some minimalist maps http://t.co/YCNPf3AR9n (poke @visionscarto) pic.twitter.com/Ip9Tylsbkv — Arthur Charpentier (@freakonometrics) 2 Septembre 2015 Friday evening, just before leaving the office to pick-up the kids after their first week back in class, Matthew Champion (aka @matthewchampion) sent me an email, asking for more details. He wanted to know if I...

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How to Remove State Abbreviations from a Choroplethr Map

August 20, 2015
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How to Remove State Abbreviations from a Choroplethr Map

Today I will demonstrate how to remove state abbreviations from a choroplethr map. I will also demonstrate how to combine multiple maps into a single image. This is what the final image looks like: In this case the abbreviations obscure information for the northeast part of the country, so it’s useful to remove them. Step The post

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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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Mapping Historic US Presidential Election Results

August 13, 2015
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Mapping Historic US Presidential Election Results

Today I will demonstrate how to map historic US Presidential Election results in R. If you want to skip ahead and play with a shiny app that lets you visualize this dataset, then click here. The dataset we will use comes from wikipedia’s List of United States presidential election results by state and is packaged in the choroplethr The post

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Mapping the past and the future with Leaflet

July 29, 2015
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Mapping the past and the future with Leaflet

I have been working on mapping things for a while and I must say that I really like the Leaflet package from Rstudio. It makes it very easy and straight forward to make leaflet maps. A while back I stumbled upon an interactive graphic from The Times, that used census data to compare each US... Read more »

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