949 search results for "RSTUDIO"

Revolution Analytics in the News: Visionary in the Wired Cloud

March 3, 2014
By

Since we've had quite a few announcements over the last month or so, I thought I'd take a moment to catch up on some of the media reports mentioning Revolution Analytics. Last week, Gartner revealed Revolution Analytics as a Visionary in the new Magic Quadrant for Advanced Analytics Platforms. Inside BigData noted that "Alteryx, Revolution Analytics, RapidMiner and Knime...

Read more »

A great idea: R Markdown for Undergrads

March 1, 2014
By
A great idea: R Markdown for Undergrads

A recently published paper by Baumer et al (2014) caught my eye today (HT to Bruce Caron).  I wanted to share it here because I thought it was cool and also had a few comments to make about some of the issues the authors raised. First, a bit about the paper.  Partly in response to all the

Read more »

Announcing Shiny Server Pro general availability

February 26, 2014
By
Announcing Shiny Server Pro general availability

We are excited to announce the general availability of RStudio Shiny Server Pro. Shiny Server Pro is the simplest way for data scientists and R users in the enterprise to share their work with colleagues. With Shiny Server Pro you can: Secure access to Shiny applications with authentication systems such as LDAP and Active Directory

Read more »

Web Scraping part2: Digging deeper

February 25, 2014
By

Slides from the second web scraping through R session: Web scraping for the humanities and social sciencesIn which we make sure we are comfortable with functions, before looking at XPath queries to download data from newspaper articles. Examples includ...

Read more »

testthat 0.8 (and 0.8.1)

February 25, 2014
By
testthat 0.8 (and 0.8.1)

We’re pleased to announce a new major version of testthat. Version 0.8 comes with a new recommended structure for storing your tests. To better meet CRAN recommended practices, we now recommend that tests live in tests/testthat, instead of inst/tests. This makes it possible for users to choose whether or not to install tests. With this

Read more »

dplyr 0.1.2

February 25, 2014
By
dplyr 0.1.2

We’re pleased to announce a new minor version of dplyr. This fixes a number of bugs that crashed R, and considerably improves the functionality of select(). You can now use named arguments to rename existing variables, and use new functions starts_with(), ends_with(), contains(),  matches() and num_range() to select variables based on their names. Finally, select() now

Read more »

Brief introduction on Sweave and Knitr for reproducible research

February 24, 2014
By
Brief introduction on Sweave and Knitr for reproducible research

A few weeks ago I gave a presentation on using Sweave and Knitr under the guise of promoting reproducible research. I humbly offer this presentation to the blog with full knowledge that there are already loads of tutorials available online. This presentation is specific and slightly biased towards Windows OS, so it probably has limited

Read more »

Slidify: Modern, simple presentations written in R Markdown

February 24, 2014
By
Slidify: Modern, simple presentations written in R Markdown

As a LaTeX fan I’m used to using Beamer for presentations, but the built-in themes are definitely starting to show their age — and writing a custom .sty file looks like a nightmare — so for a while I’ve been looking … Continue reading →

Read more »

Bayes factor t tests, part 2: Two-sample tests

February 23, 2014
By
Bayes factor t tests, part 2: Two-sample tests

In the previous post, I introduced the logic of Bayes factors for one-sample designs by means of a simple example. In this post, I will give more detail about the models and assumptions used by the BayesFactor package, and also how to do simple analyses of two- sample designs.See the previous posts for background: What is a...

Read more »

twitteR now supports database persistence

February 23, 2014
By

For a long time now I've wanted to add the ability for storing data from twitteR into a RDBMS. In the past I've done things by concatenating new results onto old results which simply becomes unwieldy. I know that many people have doctored up their own ...

Read more »