15 search results for "igraph spatial"

Coming of Age: R and Spatial Data Visualisation

January 10, 2012
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Coming of Age: R and Spatial Data Visualisation

I have been using R (a free statistics and graphics sof

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Analysis of the #7FavPackages hashtag

August 26, 2016
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Analysis of the #7FavPackages hashtag

Twitter has seen a recent trend of “first 7” and “favorite 7” hashtags, like #7FirstJobs and #7FavFilms. Last week I added one to the mix, about my 7 favorite R packages: devtoolsdplyrggplot2knitrRcpprmarkdownshiny#7FavPackages #rstats— David Robinson (@drob) August 16, 2016 Hadley Wickham agreed to share his own, but on one condition:

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stplanr 0.1.1

January 17, 2016
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Version 0.1.1 of the package stplanr has been released on CRAN. This is a major update with many new functions and a new class definition, SpatialLinesNetwork, for route planning and network analysis using igraph. This short post, by myself and package co-author Richard Ellison describes how stplanr can be used for transport research with a few simple...

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The network structure of CRAN

July 8, 2015
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The network structure of CRAN

by Andrie de Vries My experience of UseR!2015 drew to an end shortly after I gave a Kaleidoscope presentation discussing "The Network Structure of CRAN". My talk drew heavily on two previous blog posts, Finding the essential R packages using the pagerank algorithm and Finding clusters of CRAN packages using igraph. However, in this talk I went further, attempting...

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Contours and Networks with epimap and rleafmap

June 30, 2015
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Contours and Networks with epimap and rleafmap

In February, I participated in a hackaton organized by Thibaut Jombart at Imperial College, London, to work on visualization tools for outbreak data. This was a great time spent with great people! Thanks again, Thibaut, for organizing. I took part … Lire la suite →

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Everyone loves R markdown and Github; stories from the R Summit, day two

June 28, 2015
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Everyone loves R markdown and Github; stories from the R Summit, day two

More excellent talks today! Andrie de Vries of Microsoft kicked off today’s talks with a demo of checkpoint. This is his package for assisting reproducibility by letting you install packages from a specific date. The idea is that a lot of R packages, particularly those from PhD projects don’t get maintained, and suffer bitrot. That

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Modeling Contagion Using Airline Networks in R

May 30, 2015
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Modeling Contagion Using Airline Networks in R

I first became interested in networks when reading Matthew O’Jackson’s 2010 paper describing networks in economics. At some point during the 2014 ebola outbreak, I became interested in how the disease could actually come to the U.S. I was caught up with work/classes at the time, but decided to use airline flight data to at least explore the … Continue reading...

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Modeling Ebola Contagion Using Airline Networks in R

May 30, 2015
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Modeling Ebola Contagion Using Airline Networks in R

I first became interested in networks when reading Matthew O’Jackson’s 2010 paper describing their application to economics. During the 2014 ebola outbreak, there was a lot of concern over the disease spreading to the U.S.. I was caught up with work/classes at the time, but decided to use airline flight data to at least explore the question. The source … Continue reading...

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Analyzing package dependencies and download logs from Rstudio, and a start towards building an R recommendation engine

July 27, 2014
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Analyzing package dependencies and download logs from Rstudio, and a start towards building an R recommendation engine

In this post, I will focus on the analysis of available R packages and the behavior of its users. In essence, this involves looking at the data in two different ways (1) relationships among available R packages in CRAN and (2) tracking the behavior of R users through download logs on CRAN mirrors. I will

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Dependencies of popular R packages

July 8, 2014
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Dependencies of popular R packages

With the growing popularity of R, there is an associated increase in the popularity of online forums to ask questions. One of the most popular sites is StackOverflow, where more than 60 thousand questions have been asked and tagged to be related to R. On the same page, you can also find related tags. Among the top 15 tags...

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