1867 search results for "RSTUDIO"

Who’s downloading the forecast package?

December 9, 2015
By
Who’s downloading the forecast package?

The github page for the forecast package currently shows the following information Note the downloads figure: 264K/month. I know the package is popular, but that seems crazy. Also, the downloads figure on github only counts the downloads from the RStudio mirror, and ignores downloads from the other 125 mirrors around the world. Here are the

Read more »

Register for Hadley Wickham’s Master R Developer Workshop – San Francisco

December 9, 2015
By
Register for Hadley Wickham’s Master R Developer Workshop – San Francisco

Are you ready to upgrade your R skills?  Register soon to secure your seat. On January 28 and 29, 2016, Hadley Wickham will teach his popular Master R Developer Workshop at the Westin San Francisco Airport.  The workshop is offered only 3 times a year and the San Francisco class is already nearly 50% full. This

Read more »

How I Use Vagrant and Docker in Consultancy Projects

December 9, 2015
By

By Doug Ashton – Data Scientist, UK Just like you I like to try out all the latest tech. If there’s a new feature in Shiny then I’ll download the latest version without thinking. I’ve currently got 4 versions of … Continue reading →

Read more »

Deploying Your Very Own Shiny Server

December 8, 2015
By
Deploying Your Very Own Shiny Server

Nicole has been having a lot of fun the last few days creating her own Shiny apps. We work in the same space, and let’s just say her enthusiasm is very contagious. While

Read more »

Build Online Image Classification Service with Shiny and MXNetR

Build Online Image Classification Service with Shiny and MXNetR

Early this week, Google announced its Cloud Vision API, which can detect the content of an image. With the power of R and MXNet, you can try something very similar on your own laptop: an image classification shiny app. Thanks to the powerful shiny framework, it is implemented with no more than 150 lines of R code. Installing mxnet...

Read more »

How Could Classification Trees Be So Fast on Categorical Variables?

December 8, 2015
By
How Could Classification Trees Be So Fast on Categorical Variables?

I think that over the past months, I have been saying non-correct things about classification with categorical covariates. Because I never took time to look at it carefuly. Consider some simulated dataset, with a logistic regression, > n=1e3 > set.seed(1) > X1=runif(n) > q=quantile(X1,(0:26)/26) > q=0 > X2=cut(X1,q,labels=LETTERS) > p=exp(-.1+qnorm(2*(abs(.5-X1))))/(1+exp(-.1+qnorm(2*(abs(.5-X1))))) > Y=rbinom(n,size=1,p) > df=data.frame(X1=X1,X2=X2,p=p,Y=Y) Here, we use some continuous covariate, except...

Read more »

Using Apache SparkR to Power Shiny Applications: Part I

December 8, 2015
By
Using Apache SparkR to Power Shiny Applications: Part I

This post was first published on SparkIQ Labs’ blog and re-posted on my personal blog. Introduction The objective of this blog post is demonstrate how to use Apache SparkR to power Shiny applications. I have been curious about what the use cases for a “Shiny-SparkR” application would be and how to develop and deploy such an app.

Read more »

Unit tests for R packages

Karl Broman has written a nice blog post to recommend writing unit tests for R packages. Here are a few more pointers on how to write these tests. I was introduced to unit tests by Barret Schloerke, who asked me to write some for the network plotting functions that I have contributed to the GGally...

Read more »

Document your hike with interactive leaflets and R

December 7, 2015
By
Document your hike with interactive leaflets and R

Maarten Hermans is a sociologist and researcher at KU Leuven in Belgium and an avid hiker. He uses an Android app to track his location and elevation on his hikes, which means he can download his hike data in GPS Exchange Format. With this data and a few R packages, he was then able to create interactive topological maps...

Read more »

Building Shiny apps – an interactive tutorial

December 7, 2015
By
Building Shiny apps – an interactive tutorial

This tutorial was originally developed for the STAT545 course at UBC, but I decided to publish it shortly afterwards so that more people can benefit from it Shiny is a package from RStudio that can be used to build interactive web pages with R. While that may sound scary because of the words “web pages”, it’s geared...

Read more »

Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)