3904 search results for "gis"

Making Maps with a Punchline

August 6, 2014
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Making Maps with a Punchline

I’ve had a lifelong fascination with maps, and working with R definitely enables my map...

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A New Use for Pipes in R: Forkbombs

August 6, 2014
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Almost 3 years ago, I wrote about how to forkbomb with R. A quick recap is that a forkbomb is a low-tier, malicious misuse of a system; sort of a "baby's first denial of service". The idea is that you write a program that will start an entirely new copy of itself each time it is executed. Executing it...

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ESA 2014: Don’t Know Much About History…

August 5, 2014
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ESA 2014: Don’t Know Much About History…

After my last post text-mining ESA Annual Meeting abstracts, Nash Turley was interested in the presence of the term “natural history” in ESA abstracts. I decided to collect a little more data by including programs back to 2010, giving a five-year data set. Thankfully the program back to 2010 remains in mostly the...

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Basic Forward and Reverse DNS Lookups In R (with Rcpp)

August 4, 2014
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Back in April, we showed you how to use a C resolver library to make many different kinds of DNS lookups. More oft than not, such complete functionality is not necessary, but R still only provides nsl to get an IPv4 address of a given hostname, which is woefully inadequate. I needed to write an R implementation...

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Guns are Cool – Differences between states

August 3, 2014
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Guns are Cool – Differences between states

Last week my blog showed that there are differences between states in the shootingtracker database. This week it is attempted to understand why states are different. A number of variables were extracted from a few sources, among which gun laws, % ...

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New d3.js visualization: Interpreting Correlations

August 1, 2014
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New d3.js visualization: Interpreting Correlations

Here is a new visualization done in d3js. In this visualization I show a scatter plot of two variables with a given correlation. The variables are samples from the standard normal distribution, which are then transformed to have a given correlation by...

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Plot with ggplot2, interact, collaborate, and share online

July 31, 2014
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Plot with ggplot2, interact, collaborate, and share online

Editor’s note: This is a guest post by Marianne Corvellec from Plotly. This post is based on an interactive Notebook (click to view) she presented at the R User Conference on July 1st, 2014. Plotly is a platform for making, editing, and sharing graphs. If you are used to making plots with ggplot2, you can

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Plain vanilla BlackJack simulation with R

July 30, 2014
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Plain vanilla BlackJack simulation with R

Please before continue reading, make sure to read the disclaimer at the bottom of this article. Here is a simulation I run with R in the same period I created the poker one. I have just decided to call it plain vanilla since neither double down or split pairs are allowed. Rules are as basic as they can be....

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Packages vs ProjectTemplate

Packages vs ProjectTemplate tl;dr Imposing a different structure than R packages for distributing R code is a bad idea, especially now that R package tools have gotten to the point where managing a package has become much easier. ProjectTemplate ?? My last two posts (1, 2) provided an argument and an example of why one should use R packages to contain...

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2 new R jobs (for July 29th 2014)

July 29, 2014
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r_jobs

This is the bimonthly R Jobs post (for 2014-07-29), based on the R-bloggers’ sister website: R-users.com. If you are an employer who is looking to hire people from the R community, please visit this link to post a new R job (it’s free, and registration takes less than 10 seconds). If you are a job seekers, please follow the links below to learn more and apply for your job of interest (or visit previous...

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