It seems like every week we see another headline highlighting the promise of data to improve healthcare, from convolutional neural networks beating cardiologists at detecting cardiac arrhythmia to incredible advances in computer vision feeding speculation that radiologists will all soon be out of work. Given these developments, and the fact ...

Recently I’ve been working with a client to help their analysts improve their proficiency with R. A major challenge in engagements like this is figuring... The post A “Pre-Training” R Survey appeared first on AriLamstein.com.

Market Basket Analysis is one of the key techniques used by large retailers to uncover associations between items. It works by looking for combinations of items that occur together frequently in transactions. To put it another way, it allows retailers to identify relationships between the items that people buy. Association ...

Have you ever wondered what was in your MacDonalds menu? Or in your DoubleCheese Burger (well it’s my favorite one)? A wonderful dataset was released a few months ago, it contains all the nutrition facts from McDonald’s items. You can find the dataset here. In addition to this, ...

@drsimonj here to share a ggplot2-based function for plotting path analysis/structural equation models (SEM) fitted with Yves Rosseel’s lavaan package.  Background SEM and its related methods (path analysis, confirmatory factor analysis, etc.) can be visualized as Directed Acyclic Graphs with nodes representing variables (observed or latent), and ...

In this post, I will talk about the organisation of our R User Group (RUG) in Grenoble and our first working session. Organisation Each month, we have a working session of 2 hours. The first hour is dedicated to a presentation/tutorial (you can see t...

One of rOpenSci’s aims is to build capacity of software users and developers and foster a sense of pride in their work. What better way to do that than to encourage you to participate in Hacktoberfest, a month-long celebration of open source softwa...

This post will show how to use the RSelenium package to scrape your own github account to retrieve all that fun traffic data of clones and visits and create a single traffic plot for your account. For the single file you can find it in this gist file. Packages library(...

This post will show how to use the RSelenium package to scrape your own github account to retrieve all that fun traffic data of clones and visits and create a single traffic plot for your account. For the single file you can find it in thi...