forecast 8.0

February 28, 2017
By
forecast 8.0

In what is now a roughly annual event, the forecast package has been updated on CRAN with a new version, this time 8.0. A few of the more important new features are described below. Check residuals A common task when building forecasting models is to check that the residuals satisfy some assumptions (that they are

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How to create correlation network plots with corrr and ggraph (and which countries drink like Australia)

February 28, 2017
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How to create correlation network plots with corrr and ggraph (and which countries drink like Australia)

@drsimonj here to show you how to use ggraph and corrr to create correlation network plots like these:  ggraph and corrr The...

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Make your R simulation models 20 times faster

February 27, 2017
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Make your R simulation models  20 times faster

Make your R simulation models 20 times faster R can be frustratingly slow if you use its loops. However, you can speed it up significantly (e.g. 20 times!) using the Rcpp...

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ggedit 0.1.1: Shiny module to interactvely edit ggplots within Shiny applications

February 27, 2017
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ggedit is a package that lets users interactively edit ggplot layer and theme aesthetics. In a previous post we showed you how to use it in a collaborative workflow...

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ggraph: ggplot for graphs

February 27, 2017
By
ggraph: ggplot for graphs

A graph, a collection of nodes connected by edges, is just data. Whether it's a social network (where nodes are people, and edges are friend relationships), or a decision...

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Building deep neural nets with h2o and rsparkling that predict arrhythmia of the heart

February 27, 2017
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Building deep neural nets with h2o and rsparkling that predict arrhythmia of the heart

Last week, I introduced how to run machine learning applications on Spark from within R, using the sparklyr package. This week, I am showing how to build feed-forward deep...

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RSurvey

February 27, 2017
By
RSurvey

Early in my science career I believed that any good piece of software included a graphical user interface (GUI). That was many years ago, and during that time I delved...

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Reinforcement Learning in R

February 27, 2017
By

Reinforcement learning has gained considerable traction as it mines real experiences with the help of trial-and-error learning to model decision-making. Thus, this approach attempts to imitate the fundamental method...

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Announcing community R workshops

February 27, 2017
By

A big part of why I’ve launched Locke Data is so that I can give back more to my communities. I want to give more time and more support...

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Live Presentation: My Talk at the CDC

February 27, 2017
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Live Presentation: My Talk at the CDC

Last Thursday I had the honor of giving a talk about my open source work to the CDC’s R Users Group. A big thank you... The post Live...

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Tree-based univariate testing

February 26, 2017
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Tree-based univariate testing

When building a predictive model it is a good idea to do a univariate analysis, before throwing the whole bunch in a complex algorithm. This way we get a...

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Video Introduction to Bayesian Data Analysis, Part 2: Why use Bayes?

February 26, 2017
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Video Introduction to Bayesian Data Analysis, Part 2: Why use Bayes?

This is video two of a three part introduction to Bayesian data analysis aimed at you who isn’t necessarily that well-versed in probability theory but that do know a...

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Iteration and closures in R

February 26, 2017
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Iteration and closures in R

I recently read an interesting thread on unexpected behavior in R when creating a list of functions in a loop or iteration. The issue is solved, but I am...

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hrbrthemes 0.1.0 is now on CRAN

February 26, 2017
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I’m pleased to announce the inaugural release of my hrbrthemes (0.1.0) package on CRAN The primary goal of said package is to provide opinionated typographical and other aesthetic defaults...

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March R Course Finder Update: Web Analysis, Data Mining and Advanced R

February 26, 2017
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March R Course Finder Update: Web Analysis, Data Mining and Advanced R

A few months ago we launched R Course Finder, an online directory that helps you to find the right R course quickly. With so many R courses available online,...

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Analysis of International T20 matches with yorkr templates

February 25, 2017
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Analysis of International T20 matches with yorkr templates

Introduction In this post I create yorkr templates for International T20 matches that are available on Cricsheet. With these templates you can convert all T20 data which is in...

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Logistic Regression Regularized with Optimization

February 25, 2017
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Logistic Regression Regularized with Optimization

Logistic regression predicts the probability of the outcome being true. In this exercise, we will implement a logistic regression and apply it to two different data sets. The file...

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Success rates of appeals to the Supreme Court by Circuit

February 25, 2017
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Success rates of appeals to the Supreme Court by Circuit

In the chaos of the last month or so of United States of America governance, one item that grabbed my attention was the claim by President Trump that 80%...

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Gender gap in Swedish mortality

February 24, 2017
By
Gender gap in Swedish mortality

Why Sweden?

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Prophet: How Facebook operationalizes time series forecasting at scale

February 24, 2017
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Prophet: How Facebook operationalizes time series forecasting at scale

Facebook is a famously data-driven organization, and an important goal in any data science activity is forecasting. Now, Facebook has released Prophet, an open-source package for R and Python...

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H-1B Visa Petitions Exploratory Data Analysis

February 24, 2017
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H-1B Visa Petitions Exploratory Data Analysis

Contributed by Sharan Naribole. He is currently undertaking the part-time online bootcamp organized by NYC Data Science Academy (Dec 2016- April 2017). This blog is based The post

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More January Package Picks

February 24, 2017
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More January Package Picks

by Joseph Rickert In a recent post, I highlighted several new packages that arrived on CRAN in January that provided R users with access to data. In this post,...

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When Size Matters: Weighted Effect Coding

February 24, 2017
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Categorical variables in regression models are often included by dummy variables. In R, this is done with factor variables with treatment coding. Typically, the difference and significance of each...

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Make Power Fun (Again?)

February 24, 2017
By
Make Power Fun (Again?)

Make Power Fun (Again?) Brandon LeBeau University of Iowa Overview (G)LMMs Power simglm package Shiny Demo - Broken! Linear Mixed Model (LMM) Power Power is the ability...

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a riddle at the end of its tether

February 23, 2017
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a riddle at the end of its tether

A simply worded riddle this week on The Riddler, about four ropes having non-uniform and unknown burning rates, the only constraint being they all burn completely in one hour....

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Factor Analysis with the Principal Factor Method and R

February 23, 2017
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As discussed in a previous post on the principal component method of factor analysis, the term in the estimated covariance matrix , , was excluded and we proceeded directly...

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Preview: R Tools for Visual Studio 1.0

February 23, 2017
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Preview: R Tools for Visual Studio 1.0

After more than a year in preview R Tools for Visual Studio, the open-source extension to the Visual Studio IDE for R programming, is nearing its official release. RTVS...

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On Watering Holes, Trust, Defensible Systems and Data Science Community Security

February 23, 2017
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On Watering Holes, Trust, Defensible Systems and Data Science Community Security

I’ve been threatening to do a series on “data science community security” for a while and had cause to issue this inaugural post today. It all started with this:...

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Gartner’s 2017 Take on Data Science Software

February 23, 2017
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Gartner’s 2017 Take on Data Science Software

In my ongoing quest to track The Popularity of Data Analysis Software, I’ve finally decided to change the title to use the newer term “data science”. The 2017 version...

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