March 2016

Mastering R plot – Part 3: Outer margins

March 5, 2016 | Lionel Hertzog

This is the third post in our series Mastering R Plot, in this one we will cover the outer margins. To know more about plot customization read my first and second post. Let’s directly dive into some code: #a plot has inner and outer margins #by default there is ... [Read more...]

Capturing wild widgets with webshot

March 4, 2016 | hrbrmstr

NOTE: you won’t need to use this function if you use the development version of knitr Winston Chang released his webshot package to CRAN this past week. The package wraps the immensely useful phantomjs utility and makes it dirt simple to capture whole or partial web pages in R. ... [Read more...]

Over 16 years of R Project history

March 4, 2016 | David Smith

The first official release of R, R version 1.0.0 was released on February 29, 2000. The anniversary was marked on Twitter by Thomas Lumley, a member of R Core Group: 20 leading statisicians and computer scientists (and 4 alums) from around the world without whom the R Project would not exist. That makes it 16 years — ... [Read more...]

Boston R User Group Talk [UPDATE]

March 4, 2016 | Max Kuhn

I'll be giving a talk on Boston R user Group on Thursday March 10th at 6:00 PM. The talk will be on rule-based regression models. The image above is the training/test set split for the data that I...
[Read more...]

Boston R User Group Talk [UPDATE]

March 4, 2016 | Max Kuhn

I'll be giving a talk on Boston R user Group on Thursday March 10th at 6:00 PM. The talk will be on rule-based regression models. The image above is the training/test set split for the data that I'll be us... [Read more...]

Model variance for ARIMA models

March 4, 2016 | R on Rob J Hyndman

From today’s email: I wanted to ask you about your R forecast package, in particular the Arima() function. We are using this function to fit an ARIMAX model and produce model estimates and standard errors, which in turn can be used to get p-values and later model forecasts. To ... [Read more...]

Dynamic Predictions using Joint Models

March 4, 2016 | Dimitris Rizopoulos

What are Dynamic PredictionsIn this post we will explain the concept of dynamic predictions and illustrate how these can be computed using the framework of joint models for longitudinal and survival data, and the R package JMbayes. The type of dynamic predictions we will discuss here are calculated in follow-up ...
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Timer progress bar added to pbapply package

March 4, 2016 | Peter Solymos

pbapply is a lightweight R extension package that adds progress bar to vectorized R functions (*apply). The latest addition in version 1.2-0 is the timerProgressBar function which adds a text based progress bar with timer that all started with this pull request. [Read more...]

Semi-finished

March 3, 2016 | Gianluca Baio

I've finally managed to have a reasonably functional release for SWSamp, my package for simulation-based sample size calculations, specifically (but not necessarily just!) for a Stepped Wedge design trial. There are still a few details that we need to polish and more importantly we need to work on the documentation, ...
[Read more...]

Semi-finished

March 3, 2016 | Gianluca Baio

I've finally managed to have a reasonably functional release for SWSamp, my package for simulation-based sample size calculations, specifically (but not necessarily just!) for a Stepped Wedge design trial. There are still a few details that we need to ...
[Read more...]
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