2761 search results for "ggplot2"

Supplementing your R package with a Shiny app

April 21, 2015
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The R community is generally very fond of open-source-ness and the idea of releasing all code to the public. Writing packages has become such an easy experience now that Hadley’s devtools is so powerful, and as a result there are new packages being released by useRs every single day. A good package needs to have two things: useful functionality, and...

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Hash Table Performance in R: Part IV

April 21, 2015
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Hash Table Performance in R: Part IV

In the last post I introduced the package envestigate that provides the hash table structure and interesting statistics associated with an R environment. Now I want to show you some performance characteristics of the R environment as a hash table. I&r...

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R: single plot with two different y-axes

April 21, 2015
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R: single plot with two different y-axes

I forgot where I originally found the code to do this, but I recently had to dig it out again to remind myself how to draw two different y axes on the same plot to show the values of two different features of the data. This is somewhat distinct from the typical use case of aesthetic mappings in ggplot2...

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Accelerating R with multi-node parallelism – Rmpi, BatchJobs and OpenLava

Accelerating R with multi-node parallelism –  Rmpi, BatchJobs and OpenLava

Gord Sissons, Feng Li In a previous blog we showed how we could use the R BatchJobs package with OpenLava to accelerate a single-threaded k-means calculation by breaking the workload into chunks and running  them as serial jobs. R users frequently need to find solutions to parallelize workloads, and while solutions like multicore and socket

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Supplementing your R package with a Shiny app

April 20, 2015
By

The R community is generally very fond of open-source-ness and the idea of releasing all code to the public. Writing packages has become such an easy experience now that Hadley's devtools is so powerful, and as a result there are new packages being released by useRs every single day. A good package needs to have two things: useful functionality, and...

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R vs QGIS for sustainable transport planning

April 19, 2015
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R vs QGIS for sustainable transport planning

The 23rd iteration of the GIS Research UK conference (#GISRUK) conference was the largest ever. 250 researchers, industry representatives and academics attended from the vibrant geospatial research communities in the UK, Europe and beyond. GISRUK has become a centrepoint for discussion of new methods, software and applications in the field. I was on the organising committee, reviewed some excellent papers for the event (a full list...

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PK analysis: Theoph again

April 19, 2015
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PK analysis: Theoph again

This week I wanted to repeat the Theoph PK analysis of two weeks ago in Stan. It also suddenly dawned on me. For a non-linear model in classical statistics we think it normal to provide good initializations. In contrast, for those MCMC samples I rememb...

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Analysing The Rock ‘n’ Roll Madrid Marathon

April 18, 2015
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Analysing The Rock ‘n’ Roll Madrid Marathon

Nobody’s going to win all the time. On the highway of life you can’t always be in the fast lane (Haruki Murakami, What I Talk About When I Talk About Running) I started running two years ago and one if my dreams is to run a marathon someday. One month ago I run my first … Continue reading...

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Using R in Myanmar (and other low-bandwidth environments)

April 15, 2015
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Using R in Myanmar (and other low-bandwidth environments)

R is already in use in well over 100 cities around the world, and now we can add another to the list: Yangon, Myanmar. Ben Marwick is a trainer with Software Carpentry (a non-profit organization devoted to improving basic computing skills among researchers in science, engineering, medicine, and other disciplines), and last month he visited the University of Yangon...

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All Aboard! The R Service Bus 6.2

April 14, 2015
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All Aboard! The R Service Bus 6.2

Tuesday 14 April 2015 - 14:35 As R has continued its growth in populary, it's made some exotic friends. Friends who speak other (programming) languages. Friends who live on servers and virtual machines. Friends who sometimes need to set aside t...

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