[Read more...]

Comparing two timeseries-generating blackboxes This question on Cross-Validated got me interested. I gave a fairly inadequate answer and want to explore a few of the issues. Actually, I have a plan for an effective technique which is what I think the original post was asking for, but I need to ... [Read more...]

Microsoft is sponsoring another free MOOC starting on September 24: Data Science and Machine Learning Essentials. This course provides a five-week introduction to machine learning and data science concepts, including the open-source programming tools for data science: R and Python. (Read more about the course in this post on TechNet.) This ... [Read more...]

[Read more...]

[Read more...]

[Read more...]

The MapReduce paradigm has long been a staple of big data computational strategies. However, properly leveraging MapReduce can be a …Continue reading → [Read more...]

The graphs below summarize the projections from a variety of sources. This week’s summary includes projections from: CBS: CBS Average, Yahoo Sports, NFL, NumberFire, FantasySharks, ESPN, FFToday and FantasyFootballNerd. The[...] The post Running Back and Wide Receiver Gold Mining – Week 2 appeared first on Fantasy Football Analytics. [Read more...]

Andy Nicholls, Head of Consulting, Mango Solutions On Monday I was supporting Aimée Gott’s EARL workshop on “Current Best Practices in Formal Package Development”. A question came up which often comes up on our public and private training courses as … Continue reading → [Read more...]

R has an extensive range of builtin datasets, which are useful for experimenting with the language. The RDatasets package makes many of these available within Julia. We'll see another way of accessing R's datasets in a couple of days' time too. In the meantime though, check out the documentation for ... [Read more...]

by Joseph Rickert In a recent post focused on plotting time series with the new dygraphs package, I did not show how easy it is to read financial data into R. However, in a thoughtful comment to the post, Achim Zeileis pointed out a number of features built into the ... [Read more...]

Romantic kissing is a cultural universal, right? Nope! At least not if you are to believe Jankowiak et al. (2015) who surveyed a large number of cultures and found that “sexual-romantic kissing” occurred in far from all of them. For some reasons the paper didn’t include a world map with ... [Read more...]

[Read more...]

The Problem I have been attempting to use RMarkdown rather than LaTeX to produce R examples. One issue that has slowed my conversion has been my struggles with how to reference figures and tables. The examples below illustrate how I have been using captioner to solve this problem. The Solution ... [Read more...]

This post is about ggplot2 and dplyr packages, so let’s start with loading them: I can’t be the first person to make the following mistake: Can you spot the mistake in the code above? Look closely at the end of the first … Continue reading → [Read more...]

I’ve added some missing-data software to my regtools package on GitHub. In this post, I’ll give an overview of missing-data methodology, and explain what the software does. For details, see my JSM paper, jointly authored with my student Xiao (Max) Gu. There is a long history of development ... [Read more...]

I am in the process of moving the fishR website to derekogle.com/fishR/ Please update your bookmarks/favorites/etc. The new page will be hosted through GitHub pages and will allow me to keep the page updated more easily and to write more … Continue reading → [Read more...]

Once I had many students curious about LaTeX and their interest became a set of LaTeX sessions for Catedras Libres where I had a lot of students from different universities. Available here. [Read more...]

by Andrie de Vries I am pleased to announce that we have released a new version of the checkpoint package to CRAN. The goal of checkpoint is to solve the problem of package reproducibility in R. Easy reproducible workflow using checkpoint() We first announced checkpoint and the Reproducible R Toolkit ... [Read more...]

[Read more...]