3150 search results for "ggplot"

MRAN’s Packages Spotlight

July 30, 2015
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MRAN’s Packages Spotlight

by Joseph Rickert New R packages just keep coming. The following plot, constructed with information from the monthly files on Dirk Eddelbuettel's CRANberries site, shows a plot of the number of new packages released to CRAN between January 1, 2013 and July 27, 2015 by month (not quite 31 months). This is amazing growth! The mean rate is about...

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Introducing the nominatim geocoding package

July 29, 2015
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Introducing the nominatim geocoding package

In the never-ending battle for truth, justice and publishing more R packages than Oliver, I whipped out an R package for the OpenStreetMap Nominatim API. It actually hits the MapQuest Nominatim Servers for most of the calls, but the functionality is the same. The R package lets you: address_lookup: Lookup the address of one or

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R tutorial on the Apply family of functions

July 28, 2015
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R tutorial on the Apply family of functions

Introduction In our previous tutorial Loops in R: Usage and Alternatives , we discussed one of the most important constructs in programming: the loop.  Eventually we deprecated the usage of loops in R in favor of vectorized functions. In this post we highlight some of the most used vectorized functions: the apply functions. In the present post we show the use The post

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Graph-based circle packing

July 27, 2015
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Graph-based circle packing

The previous two posts showed examples of a simple circle packing algorithm using the packcircles package (available from CRAN and GitHub). The algorithm involved iterative pair-repulsion to jiggle the circles until (hopefully) a non-overlapping arrangement emerged. In this post we'll look an alternative approach. An algorithm to find an arrangement of circles satisfying a prior specification of...

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Hadley Wickham on why he created all those R packages

July 27, 2015
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Hadley Wickham on why he created all those R packages

Priceonomics published on Friday an in-depth profile of Hadley Wickham, author of many of the most popular R packages including ggplot2, dplyr and devtools. In the article, he reveals that his motivation for creating these packages was primarily to provide better ways of accomplishing routine tasks in R, an immensely useful contribution that sadly wasn't recognized in an academic...

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Evading the “Hadley tax”: Faster Travis tests for R

July 26, 2015
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Evading the “Hadley tax”: Faster Travis tests for R

Hadley is a popular figure, and rightly so as he successfully introduced many newcomers to the wonders offered by R. His approach strikes some of us old greybeards as wrong---I particularly take exception with some of his writing which frequently portrays a particular approach as both the best and only one. Real programming, I think, is...

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Turning your R (or Python) models into APIs

July 26, 2015
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Turning your R (or Python) models into APIs

More and more real-world systems are relying on data science and analytical models to deliver sophisticated functionality or improved user experiences. For example, Microsoft combined the power of advanced predictive models and web services to develop the real-time voice translation feature in Skype. Facebook and Google continuously improve their deep learning models for...

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Where do letters occur in words

July 26, 2015
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Where do letters occur in words

A while back I encountered an interesting graphic showing where letters were located in english words (http://www.prooffreader.com/2014/05/graphing-distribution-of-english.html). The other day I decided to do a similar one for letters in danish words and for this I used R. I downloaded all abstracts from the danish Wikipedia and made my own version as you can see... Read more »

Roll Your Own Gist Comments Notifier in R

July 25, 2015
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As I was putting together the coord_proj ggplot2 extension I had posted a (https://gist.github.com/hrbrmstr/363e33f74e2972c93ca7) that I shared on Twitter. Said gist received a comment (several, in fact) and a bunch of us were painfully reminded of the fact that there is no built-in way to receive notifications from said comment activity. @jennybryan posited that it

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{Long Vs. Wide} Data Frames

July 24, 2015
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{Long Vs. Wide} Data Frames

Introduction This is an excellent resource to understand 2 types of data frame format: Long and Wide. Just take a look at figure 1 inside the article 1) Long format: ggplot2 needs in certain scenarios this kind of format to work (generally grouped...

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