1315 search results for "RStudio"

Dashboards in R with Shiny & Plotly

April 24, 2015
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Dashboards in R with Shiny & Plotly

Shiny is an R application that allows users to build interactive web applications easily in R! Shiny apps involve two main components: a ui (user interface) script and a server script. The ui script controls the layout of the app and the server script controls what the app does. In other words, the ui script creates

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Introducing shinyjs: perform common JavaScript operations in Shiny apps using plain R code

April 23, 2015
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Introducing shinyjs: perform common JavaScript operations in Shiny apps using plain R code

shinyjs is my second R package that managed to find its way past the CRAN review process. It lets you perform common useful JavaScript operations in Shiny applications without having to know any JavaScript. Demos You can check out a demo Shiny app that lets you play around with some of the functionality that shinyjs makes available, or have a look at a...

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Supplementing your R package with a Shiny app

April 22, 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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RcppArmadillo 0.5.000.0

April 22, 2015
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A new major version 5.000 of Armadillo was released by Conrad a couple of days ago. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. This version brings several new functions for sparse matrices, and automagically...

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Introducing ghrr: GitHub Hosted R Repository

April 21, 2015
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Introducing ghrr: GitHub Hosted R Repository

Background R relies on package repositories for initial installation of a package via install.packages(). A crucial second step is update.packages(): For all currently installed packages, a list of available updates is constructed or offered for either one-by-one or bulk updates. This keeps the local packages in sync with upstream, and provides for a very convenient way...

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Parse and process XML (and HTML) with xml2

April 21, 2015
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Parse and process XML (and HTML) with xml2

I’m pleased to announced that the first version of xml2 is now available on CRAN. Xml2 is a wrapper around the comprehensive libxml2 C library that makes it easier to work with XML and HTML in R: Read XML and HTML with read_xml() and read_html(). Navigate the tree with xml_children(), xml_siblings() and xml_parent(). Alternatively, use

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Plotting Factor Analysis Results

April 20, 2015
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Plotting Factor Analysis Results

A recent factor analysis project (as discussed previously here, here, and here) gave me an opportunity to experiment with some different ways of visualizing highly multidimensional data sets. Factor analysis results are often presented in tables of factor loadings, which are good when you want the numerical details, but bad when you want to...

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Supplementing your R package with a Shiny app

April 20, 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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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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R 3.2.0 is released (+ using the installr package to upgrade in Windows OS)

April 17, 2015
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R 3.2.0 is released (+ using the installr package to upgrade in Windows OS)

R 3.2.0 (codename “Full of Ingredients”) was released yesterday. You can get the latest binaries version from here. (or the .tar.gz source code from here). The full list of new features and bug fixes is provided below. Upgrading to R 3.2.0 on Windows If you are using Windows you can easily upgrade to the latest version of R using the installr … Continue reading...

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