We've released a minor update to Microsoft R Open 3.2.3 to address issues that some people were experiencing. The update available now on MRAN fixes the following issues: The Windows R GUI (RGUI.exe) could crash when typing beyond the bounds of the visible window. The "R" command wasn't available from ... [Read more...]

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I recently wrapped up a version of my R function for easy Bayesian bootstrappin’ into the package bayesboot. This package implements a function, also named bayesboot, which performs the Bayesian bootstrap introduced by Rubin in 1981. The Bayesian bootstrap can be seen as a smoother version of the classical non-parametric bootstrap, ... [Read more...]

General Equilibrium economic models To expand my economics toolkit I’ve been trying to get my head around Computable General Equilibrium (CGE) and Dynamic Stochastic General Equilibrium (DSGE) models. Both classes of model are used in theoretical and policy settings to understand the impact of changes to an economic system ... [Read more...]

In this post, we explain how you can password protect apps hosted on Shiny Open Source server. This tutorial is the fourth in our Shiny AWS series. It builds on the previous tutorials, namely: Setting up an AWS instance for R Installing Shiny Server on AWS Shiny https As with ... [Read more...]

Over at his blog “One Tip per Day”, Xianjun Dong has produced an excellent list of “15 Practical Tips For a Bioinformatician”. This note is my own version of these tips, aimed at social scientists who need to write sustainable (i.e. reproducible) code for either individual or collective research projects. ... [Read more...]

Below are 13 charts made in Plotly or using Ploty’s APIs by users on Outer Space, Satellites and Astrophysics 1. Flybys of Minor Planets, Pioneer 10 and 11, Voyager I and II, and New Horizons Chart Link: https://plot.ly/~alexhp/57/flybys-of-minor-planets-in-the-outer-solar-system-pioneer-10-and-11-voyager-i-an/ Chart Author: @ alexhp Touched up in: Plotly online editor ... [Read more...]

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The other day, while setting up the new Oracle R Enterprise (ORE) 1.5 client packages in a Linux server, we installed the Oracle DB Instant Client v. 12.1, as advised in the relevant documentation. Problem was, ORE failed to load, in fact due to ROracle failure: Truth is, the file libclntsh.so.11.1 ... [Read more...]

by Joseph Rickert Earlier this month the Bay Area useR Group (BARUG) held it annual lightning talk meeting. This is by far our most popular meeting format: eight, 15 minute talks (12 minutes speaking and 3 minutes Q & A while the next speaker is setting up) packed into a two hour time slot. ... [Read more...]

There is a saying that there are two groups of people: those who are already doing backups and those who will. So, how this is linked with reproducible research and R? If your work is to analyze data then you often face a need to restore/recreate/update results that ... [Read more...]

Interactively building test forms from an IRT perspective: An application of R and Shiny Brandon LeBeau University of Iowa Overview R R is an open source statistical programming language. Pros: Common statistical procedures... [Read more...]

R is an open-source software package and rapidly increases its popularity in both industry and academics. Google trend is probably the best tool to show you how popular R is since it allows us to rank the search interest among five major statistical software packages. You can clearly observe that ... [Read more...]

When an excess of loss (XOL) reinsurance pricing actuary has only indemnity to work with, how can s/he reflect allocated loss adjustment expense (ALAE) in final cost projections? Such is the situation addressed by Greg McNulty in his blog Modeling ALAE Using Copulas (MAUC). According to McNulty, the classical ... [Read more...]

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Synopsis In the challenge Titanic – Machine Learning from Disaster from Kaggle, you need to predict of what kind of people were likely to survive the disaster or did not. In particular, they ask to apply the tools of machine learning to predict which passengers survived the tragedy. I’ve split […] [Read more...]

Hello everyone! In this post, I will show you how you can use rbokeh to build interactive graphs and maps in R. What is bokeh? Bokeh is a popular python library used for building interactive plots and maps, and now it is also available in R, thanks to Ryan Hafen. ... [Read more...]

R user and developer Lionel Henry proposes a number of changes to R syntax: Use square brackets to create lists. You could use [1, 2:5, "hello"] to create a list of three elements. Nested lists would be possible as well, with syntax like or [ [1, 2], [2, 3] ] (much easier than list(list(1,2),list(2,3))). Define lambda ... [Read more...]