Situational Baseball: Analyzing Runs Potential Statistics

April 28, 2015
By
Situational Baseball: Analyzing Runs Potential Statistics

by Mark Malter After reading the book, Analyzing Baseball with R, by Max Marchi and Jim Albert, I decided to expand on some of their ideas relating to runs created and put them into an R shiny app . The Server and UI code are linked at the bottom of the Introduction tab. I downloaded the Retrosheet play-by-play data...

Read more »

RcppTOML 0.0.3: A New Approach to Configuration Files

April 28, 2015
By

A small project I worked on during the last few weeks has now come together in new package RcppTOML which arrived on CRAN yesterday. It provides R...

Read more »

Downloading and Visualizing Seismic Events from USGS

April 28, 2015
By
Downloading and Visualizing Seismic Events from USGS

The unlucky events that took place in Nepal have flooded the web with visualization of the earthquakes from USGS. They normally visualize earthquakes with a colour scale that depends...

Read more »

R in Insurance 2015 Conference Programme

April 28, 2015
By
R in Insurance 2015 Conference Programme

The programme for the 3rd R in Insurance conference is on-line. The event will take place on 29 June 2015 at the University of Amsterdam. Time to register now....

Read more »

Some basics of biomaRt

April 27, 2015
By
Some basics of biomaRt

One of the commonest bioinformatics questions, at Biostars and elsewhere, takes the form: “I have a list of identifiers (X); I want to relate them to a second set...

Read more »

I Fought the (distribution) Law (and the Law did not win)

April 27, 2015
By
I Fought the (distribution) Law (and the Law did not win)

A few days ago, I was asked if we should spend a lot of time to choose the distribution we use, in GLMs, for (actuarial) ratemaking. On that topic,...

Read more »

Awesome-R: A curated list of the best add-ons for R

April 27, 2015
By

One of the great things about R is that there's so much available to use with it: there are several interfaces to choose from, thousands of add-on packages to...

Read more »

8 new R jobs (2015-04-27)

April 27, 2015
By
8 new R jobs (2015-04-27)

This is the bimonthly post (for 2015-04-13) for new R Jobs from R-users.com. Employers: visit this link to post a new R job to the R community (it’s free and quick). Job seekers: please follow the links below to learn...

Read more »

Oracle R, Hash Table Results, And VIM To The Rescue

April 27, 2015
By
Oracle R, Hash Table Results, And VIM To The Rescue

Downloaded and installed Solaris 11.2 on my laptop, and WOW! That was a throwback to the late 90’s! Old version of GNOME, no truetype fonts so the whole visual...

Read more »

Exploration of Functional Diversity indices using Shiny

April 27, 2015
By
Exploration of Functional Diversity indices using Shiny

Biological diversity (or biodiversity) is a complex concept with many different aspects in it, like species richness, evenness or functional redundancy. My field of research focus on understanding the...

Read more »

EARL2015 Conference, London – Presenters Announced

April 27, 2015
By
EARL2015 Conference, London – Presenters Announced

We are delighted to announce the impressive line up of speakers for September’s London EARL Conference.  The speakers represent industries including Energy, Leisure, Insurance, FCMG, Finance, Market Research, Healthcare and Sport...

Read more »

Randomly Sample Twitter Followers in R

April 27, 2015
By
Randomly Sample Twitter Followers in R

So yesterday, I set up an #AmazonGiveaway for my new R book at https://giveaway.amazon.com/p/ea32d421d8d7672d — but I had my 10 year old input the number that will determine every nth person...

Read more »

Comparing Tree-Based Classification Methods via the Kaggle Otto Competition

April 27, 2015
By
Comparing Tree-Based Classification Methods via the Kaggle Otto Competition

In this post, I’m going to be looking at the progressive performance of different tree-based classification methods in R, using the Kaggle Otto Group Product Classification Challenge as an...

Read more »

How to install rNOMADS with GRIB file support on Windows

April 26, 2015
By
How to install rNOMADS with GRIB file support on Windows

Two years ago, I wrote a software package for R called “rNOMADS” that interfaces with online weather and sea ice model repositories to gather data in real time, for...

Read more »

Keeping Track of an Evolving “Top N” Cutoff Threshold Value

April 26, 2015
By
Keeping Track of an Evolving “Top N” Cutoff Threshold Value

In a previous post (Charts are for Reading), I noted how it was difficult to keep track of which times in an F1 qualifying session had made the cutoff...

Read more »

Doing quantitative archaeology with open source software

April 25, 2015
By

(This is a guest post by Ben Marwick, originally published on ATOR blog) This short post is written for archaeologists who frequently perform common data analysis and visualization tasks in...

Read more »

Unemployment of Europe in 2014 by NUTS 2 region

April 25, 2015
By
Unemployment of Europe in 2014 by NUTS 2 region

During the Christmas break I worked on some code to show unemployment by NUTS 2 region. At that point no 2014 data was available. When I noticed the 214...

Read more »

Random Data Sets Quickly

April 24, 2015
By
Random Data Sets Quickly

This post will discuss a recent GitHub package I’m working on, wakefield to generate random data sets. The post is broken into the following sections: Demo 1.1 Random Variable...

Read more »

Stochastic SIR Epidemiological Compartment Model

April 24, 2015
By
Stochastic SIR Epidemiological Compartment Model

Introduction This post is a simple introduction to Rcpp for disease ecologists, epidemiologists, or dynamical systems modelers - the sorts of folks who will benefit from a simple but fully-working example. My...

Read more »

Back to basics: High quality plots using base R graphics

April 24, 2015
By

Today at the Davis R Users’ Group, Michael Koontz gave tour de force lesson in using R’s base graphics capabilities to plot data. Here’s the...

Read more »

Dashboards in R with Shiny & Plotly

April 24, 2015
By
Dashboards in R with Shiny & Plotly

Shiny is an R application that allows users to build interactive web applications easily in R! Shiny apps involve two main components: a ui (user interface) script and a server...

Read more »

Blue period: Analyzing the color of paintings with R

April 24, 2015
By
Blue period: Analyzing the color of paintings with R

While movies have been getting more orange with time, painting have been going the other direction. Paintings today are generally more blue than they were a few hundred years...

Read more »

Introducing shinyjs: perform common JavaScript operations in Shiny apps using plain R code

April 23, 2015
By
Introducing shinyjs: perform common JavaScript operations in Shiny apps using plain R code

shinyjs is my second R package that managed to find its way past the CRAN review process. It lets you perform common useful JavaScript operations in Shiny applications without having to...

Read more »

scale acceleration

April 23, 2015
By
scale acceleration

Kate Lee pointed me to a rather surprising inefficiency in matlab, exploited in Sylvia Früwirth-Schnatter’s bayesf package: running a gamma simulation by rgamma(n,a,b) takes longer and sometimes much longer...

Read more »

Course Profiles in ggplot2

April 23, 2015
By
Course Profiles in ggplot2

Over on my other blog, Droppin’ The Hammer… where I journal my ultra running experience, I featured a novel ggplot2 plot for highlight elevation gain and loss on running...

Read more »

The new science journalism and open science

April 23, 2015
By

by Joseph Rickert The New York Times is quietly changing the practice of science journalism. The Tuesday April 21, 2015 article: Ebola Lying in Wait, reports on "A growing...

Read more »

Discount for the Open Data Science conference (@Boston / May 30th)

April 23, 2015
By
Discount for the Open Data Science conference (@Boston / May 30th)

This year’s Open Data Science conference takes place in Boston on May 30th and 31st at the Boston Convention Center. The conference features over 21 workshops and 72 presentations on...

Read more »

Comrades Marathon Finish Predictions

April 23, 2015
By
Comrades Marathon Finish Predictions

* If you see a bunch of errors, you might want to try opening the page in a different browser. I have had some trouble with...

Read more »

Cascading style sheets for R plots (via the Rcssplot package)

April 23, 2015
By
Cascading style sheets for R plots (via the Rcssplot package)

This post is contributed by Tomasz Konopka. Comments are welcome. [email protected] One of the great features of R is its capable graphics framework. In principle, the framework allows us to...

Read more »