## Introducing Radiant: A shiny interface for R

May 3, 2015
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Radiant is a platform-independent browser-based interface for business analytics in R, based on the Shiny package. Key features Explore: Quickly and easily summarize, visualize, and analyze your data Cross-platform: It runs in a browser on Windows, Mac, and Linux Reproducible: Recreate results at any time and share work with others as a state file or an

## Survival Analysis With Generalized Additive Models : Part III (the baseline hazard)

May 2, 2015
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$Survival Analysis With Generalized Additive Models : Part III (the baseline hazard)$

In the third part of the series on survival analysis with GAMs we will review the use of the baseline hazard estimates provided by this regression model. In contrast...

## Survival Analysis With Generalized Models: Part II (time discretization, hazard rate integration and calculation of hazard ratios)

May 2, 2015
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$Survival Analysis With Generalized Models: Part II (time discretization, hazard rate integration and calculation of hazard ratios)$

In the second part of the series we will consider the time discretization that makes the Poisson GAM approach to survival analysis possible. Consider a set of s individual...

## Rcpp 0.11.6

The new release 0.11.5 of Rcpp arrived on the CRAN network for GNU R yesterday; the corresponding Debian package has also been uploaded. Rcpp has become the most popular...

A new minor release 5.100.1 of Armadillo was released by Conrad yesterday. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a...

## Should I use premium Diesel? Result: No

May 2, 2015
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A while ago I had a post: 'Should I use premium Diesel? Setup. Since that time the data has been acquired. This post describes the results.DataData is registered by me...

## Revolution R Open 8.0.3 now available

May 1, 2015
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Revolution R Open 8.0.3 is now available for download for Windows, OS X, Red Hat, Ubuntu and OpenSUSE. This release includes seveal new features: it upgrades RRO to the...

## RStudio v0.99 Preview: Graphviz and DiagrammeR

May 1, 2015
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Soon after the announcement of htmlwidgets, Rich Iannone released the DiagrammeR package, which makes it easy to generate graph and flowchart diagrams using text in a Markdown-like syntax. The package...

## Survival Analysis With Generalized Additive Models : Part I (background and rationale)

May 1, 2015
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After a really long break, I’d will resume my blogging activity. It is actually a full circle for me, since one of the first posts that kick started this blog,...

## Shiny: Officer Involved Shootings

May 1, 2015
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US Officer Involved Shootings Mar-Apr 2015 with Shiny Now everyone can be a data analyst with RStudio’s Shiny package. Fellow R programmer and Las Vegas import, Steve Wells, has created...

## rstanmulticore: A cross-platform R package to automatically run RStan MCMC chains in parallel

May 1, 2015
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*** This work has been supported by a grant from the Spencer Foundation (#201400002). The views expressed are those of the author and do not necessarily reflect those of...

## How large vectors in R might be stored compactly

April 30, 2015
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Vectors in R can currently have elements of two sizes — 8-byte double-precision floating-point elements for `numeric’ vectors, or 4-byte elements for `integer’ or `logical’ vectors.  You can also have vectors whose...

## Upcoming talks about jsonlite and mongolite

April 30, 2015
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This summer I will be giving an invited talk at the annual French R Meeting in Grenoble as well as a shorter talk...

## Dockerizing a Shiny App

April 30, 2015
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After a long pause of more than four months, I am finally back to post here. Unfortunately, many commitments prevented me keep posting, but coming back, i changed the...

## Le Monde puzzle [#909]

April 30, 2015
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Another of those “drop-a-digit” Le Monde mathematical puzzle: Find all integers n with 3 or 4 digits an single interior zero digit, such that removing that zero digit produces...

## Introduction to Applied Econometrics With R

April 30, 2015
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I came across a January post from David Smith at Revolution Analytics, in his Revolutions blog. It's titled, An Introduction to Applied Econometrics With...

## The First NY R Conference

April 30, 2015
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by Joseph Rickert Last Friday and Saturday the NY R Conference briefly lit up Manhattan's Union Square neighborhood as the center of the R world. You may have caught...

## EARL2015 Conference Agenda (London) Announced

April 30, 2015
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The full agenda for the London EARL2015 Conference has now been announced.  The conference focusses on the real world commercial usage and business applications of the R Language...

## Circle packing in R (again)

April 29, 2015
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Back in 2010 I posted some R code for circle packing. Now, just five years later, I've ported the code to Rcpp and created a little package which...

## Wakefield: Random Data Set (Part II)

April 29, 2015
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This post is part II of a series detailing the GitHub package, wakefield, for generating random data sets. The First Post (part I) was a test run to gauge...

## Modeling the Latent Structure That Shapes Brand Learning

April 29, 2015
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What is a brand? Metaphorically, the brand is the white sphere in the middle of this figure, that is, the ball surrounded by the radiating black cones. Of course,...

## the most patronizing start to an answer I have ever received

April 29, 2015
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Another occurrence of a question on X validated where the originator (primitivus petitor) was trying to get an explanation without the proper background. On either Bayesian...

## Visualizing fits, inference, implications of (G)LMMs with Jaime Ashander

April 29, 2015
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A couple of weeks at the Davis R Users’ Group, Jaime Ashander gave a presentation on and visualizing and diagnosing (G)LMMs in R. Here’s the...

## Turning Data Into Awesome With sqldf and pandasql

April 29, 2015
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Both R and Python possess libraries for using SQL statements to interact with data frames. While both languages have native facilities for manipulating data, the sqldf and pandasql provide a simple...

## Benchmarks of RRO on OSX and Ubuntu

April 29, 2015
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Bay Area engineer Vineet Abraham recently ran some benchmarks for Revolution R Open (RRO) running on Mac OS X and on Ubuntu. Thanks to the multi-threaded processing capabilites of...

## See R in action at the BUILD conference

April 29, 2015
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Build 2015, the Microsoft conference which brings around 5,000 developers to the Moscone Center in San Francisco, begins tomorrow. The conference is sold out, but you can livestream the...

## Finance-YahooQuote 0.25 hotfix

April 29, 2015
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A hotfix release for the Finance-YahooQuote Perl module on CPAN is now available. Available Yahoo! Finance decided to change the base URL. My thanks to Nicola...

## Twelve Graphs & Dashboards You Should See On Climate Change, Science, & Public Opinion

April 28, 2015
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Plotly has teamed up with The White House on President Obama’s Climate Data Initiative to explore and explain climate trends. This post is our first contribution. You’ll...