1135 search results for "MAPS"

Overcoming D3 Cartographic Envy With R + ggplot

September 25, 2014
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Overcoming D3 Cartographic Envy With R + ggplot

When I used one of the Scotland TopoJSON files for a recent post, it really hit me just how much D3 cartography envy I had/have as an R user. Don’t get me wrong, I can conjure up D3 maps pretty well and the utility of an interactive map visualization goes without saying, but

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Google location data — Where I’ve been.

September 25, 2014
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Google location data — Where I’ve been.

I was emailed by a friend that was looking into their google location data and had asked if I had ever used a json file before in R. I said I had not, but I knew there were packages to do such things. The things I sent were things he had already tried,...

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DescTools: a new R "misc package"

September 25, 2014
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DescTools: a new R "misc package"

by Joseph Rickert One of the most difficult things about R, a problem that is particularly vexing to beginners, is finding things. This is an unintended consequence of R's spectacular, but mostly uncoordinated, organic growth. The R core team does a superb job of maintaining the stability and growth of the R language itself, but the innovation engine for...

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Adding Google Drive Times and Distance Coefficients to Regression Models with ggmap and sp

September 24, 2014
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Adding Google Drive Times and Distance Coefficients to Regression Models with ggmap and sp

Space, a wise man once said, is the final frontier. Not the Buzz Alrdin/Light Year, Neil deGrasse Tyson kind (but seriously, have you seen Cosmos?). Geographic space. Distances have been finding their way into metrics since the cavemen (probably). GIS seem to make nearly every science way more fun…and accurate! Most of my research deals with

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Changing the Light Azimuth in Shaded Relief Representation by Clustering Aspect

September 24, 2014
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Some time ago I published an article on "The Cartographic Journal" regarding a method to automatically change the light azimuth in shaded relief representations.This method was based on clustering the aspect derivative of the DTM. The method was develo...

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Charting/Mapping the Scottish Vote with R (an rvest/dplyr/tidyr/TopoJSON/ggplot tutorial)

September 20, 2014
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Charting/Mapping the Scottish Vote with R (an rvest/dplyr/tidyr/TopoJSON/ggplot tutorial)

The BBC did a pretty good job live tracking the Scotland secession vote, but I really didn’t like the color scheme they chose and decided to use the final tally site as the basis for another tutorial using the tools from the Hadleyverse and taking advantage of the fact that newer gdal libraries can read

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The New Consumer Requires an Updated Market Segmentation

September 18, 2014
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The New Consumer Requires an Updated Market Segmentation

The new consumer is the old consumer with more options and fewer prohibitions. Douglas Holt calls it the postmodern market defined by differentiation: "consumer identities are being fragmented, proliferated, recombined, and turned into salabl...

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Stay on track: Plotting GPS tracks with R

September 18, 2014
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Stay on track: Plotting GPS tracks with R

Many GPS devices and apps have the capability to track your current position via GPS. If you go walking, running, cycling, flying or driving, you can take a look at your exact route and your average speed.Some of these devices or apps also allow you to...

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The Traveling Salesman with Simulated Annealing, R, and Shiny

September 17, 2014
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The Traveling Salesman with Simulated Annealing, R, and Shiny

I built an interactive Shiny application that uses simulated annealing to solve the famous traveling salesman problem. You can play around with it to create and solve your own tours at the bottom of this post. Here's an animation of the annealing process finding the shortest path through the 48 state capitals of the contiguous...

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Mortality Rate of Children Under 5 and Gender Differences

September 16, 2014
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This post displays two animated choropleths. One for global mortality rates for children under 5 (per 1000 live births) and the second for the difference in global mortality rates for males and female children under 5 (per 1000). This was put together after my wife sent a link to this optimistic story on NPR’s site. It was regarding...

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