2017

Tutorial: Azure Data Lake analytics with R

October 11, 2017 | David Smith

The Azure Data Lake store is an Apache Hadoop file system compatible with HDFS, hosted and managed in the Azure Cloud. You can store and access the data within directly via the API, by connecting the filesystem directly to Azure HDInsight services, or via HDFS-compatible open-source applications. And for data ... [Read more...]

More support for Bayesian analysis in the sj!-packages #rstats #rstan #brms

October 11, 2017 | Daniel

Another quick preview of my R-packages, especially sjPlot, which now also support brmsfit-objects from the great brms-package. To demonstrate the new features, I load all my „core“-packages at once, using the strengejacke-package, which is only available from GitHub. This package simply loads four packages (sjlabelled, sjmisc, sjstats and sjPlot). ...
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How to Use Shiny Containers with Shinyproxy

October 11, 2017 | Luke Singham

Aim: Setup shinyproxy as a production level way of deploying multiple containerised shiny apps with authentication. Additionally I'll demonstrate how to incorporate containerised python web apps and deploy this behind a reverse proxy using Nginx. Conceptual Overview This is a pretty significant piece of software. It renders Shiny Server Pro ... [Read more...]

Feels like a dry winter – but what does the data say?

October 11, 2017 | nsaunders

A reminder that when idle queries pop into your head, the answer can often be found using R + online data. And a brief excursion into accessing the Weather Underground. One interesting aspect of Australian life, even in coastal urban areas like Sydney, is that sometimes it just stops raining. For ...
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Simplifying ggplot2 code by doing nothing

October 10, 2017 | Higher Order Functions

Recently, I joined the development team for bayesplot, an R package by the Stan team for plotting Bayesian models. Because visualizing Bayesian models in ggplot2 is a recurring topic here, it was a natural fit. So from time to time, I’ll post about some programming techniques and new features ...
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Mapping SG – Shiny App

October 10, 2017 | Timothy Lin

While my previous posts on the Singapore census data focused mainly on the distribution of religious beliefs, there are many interesting trends that could be observed on other characteristics. I decided to pool the data which I have cleaned and process... [Read more...]

RNN made easy with MXNet R

October 10, 2017 | DMLC

This tutorial presents an example of application of RNN to text classification using padded and bucketed data to efficiently handle sequences of varying lengths. Some functionalities require running on a GPU with CUDA. Example based on sentiment analy...
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Introduction to Portfolio Returns

October 10, 2017 | R Views

Today, we go back a bit to where we probably should have started in the first place, but it wouldn’t have been as much fun. In our previous work on volatility, we zipped through the steps of data import, tidy and transformation. Let’s correct that oversight and do ... [Read more...]

R’s remarkable growth

October 10, 2017 | David Smith

Python has been getting some attention recently for its impressive growth in usage. Since both R and Python are used for data science, I sometimes get asked if R is falling by the wayside, or if R developers should switch course and learn Python. My answer to both questions is ... [Read more...]

Text Mining with R – upcoming courses in Belgium

October 10, 2017 | Super User

We use text mining a lot in day-to-day data mining operations. In order to share our knowledge on this, to show that R is an extremely mature platform to do business-oriented text analytics and to give you practical experience with text mining, our course on Text Mining with R is ... [Read more...]

Weird Al Yankovise() a 2 Chainz Lyric

October 10, 2017 | MikeJackTzen

I have a character string snipped from a lyric by Daniel Son the Necklace Don. Let’s get all Weird Al Yankovic with it. I’ll revise some words with the datzen::yankovise() function. You can swap out words using a dictionary of name-value pairs. Above, we have a bar ... [Read more...]

Changes to Internet Connectivity in R on Windows

October 10, 2017 | Jeroen Ooms

This week we released version 3.0 of the curl R package to CRAN. You may have never used this package directly, but curl provides the foundation for most HTTP infrastructure in R, including httr, rvest, and all packages that build on it. If R packages need to go online, chances are ... [Read more...]
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