R-bloggers

The update contains some breaking changes and brings a lot of new features and operators, which markedly improves using containers in both interactive R sessions and code development. Also there is a new class dict.table to support the data.table pack...

NBA Playoffs and the Lakers Data Prep Scraping Betting Markets Steps Joining with FiveThirtyEight data Analysis How much does FiveThirtyEight differ from markets? Closing Thought Appendix Potential Reasons for the Difference Calculating percentiles of diff TLDR: FiveThirtyEight’s forecasts of NBA playoff berths seem to hold-up OK against betting markets. ...

Series of Apache Spark posts: Dec 01: What is Apache Spark Dec 02: Installing Apache Spark Dec 03: Getting around CLI and WEB UI in Apache Spark Dec 04: Spark Architecture – Local and cluster mode Dec 05: Setting up Spark Cluster Dec 06: Setting up IDE Dec…Read more ›

Introduction Following the same style of my previous blogs on binary search. In this blog I present how solve “tree includes” problems in R with R6 objects. The solutions and the code is based on my translation of Alvin the Programmer’s javascript code into R from his video on ...

It is easy to get started with Shiny – luckily, your apps can be hosted for free to be shared with the world.

I love a lot about R except that its name is not great for SEO. When you’re very new to R it can be a bit hard to google solutions to your problems. In learning any new skill or tool it’s difficult to know what to google in ...

We are excited to announce this year’s winners of the 2021 RStudio Table Contest. Display tables are a fundamental way we summarize and communicate information. But in many instances, these are boring and created without as much thought as they ...

Introduction Analytics Users and page views Page views over time Page views per channel Page views per day of week and month of year Page views per month and year Top performing pages Page views by country User engagement by devices Browser information End note Introduction Stats and R has ...

In line with the continuous growth at Jumping Rivers, we are looking to expand our team of dedicated professionals working in our teams. If you are enthusiastic and keen to develop your skills in ...

Series of Apache Spark posts: Dec 01: What is Apache Spark Dec 02: Installing Apache Spark Dec 03: Getting around CLI and WEB UI in Apache Spark Dec 04: Spark Architecture – Local and cluster mode Dec 05: Setting up Spark Cluster Dec 06: Setting up IDE Dec…Read more ›

Manipulating data in sheets can be a tedious task, but if you have at least a bit of a programmer inside you, you can make your work with Google sheets much easier. How – you ask? By connecting R to Google sheets using the googlesheets4 package provided by tidyverse. This article ...

Introduction In my last blog I shared how to do a depth-first search in R by using R6 classes. In this short blog I’m going to show how to do a breadth-first search. Breadth-first search: A brief explination. In contrast to a depth-first search which traverses a tree by ...

Photo by Universal Eye on Unsplash Teams often need access to key data to do their work, but have you ever opened your coworker’s script to see: dat

This is the latest in my series of screencasts, but instead of being about tidymodels, this screencast focuses on unsupervised modeling for text, specifically topic modeling. Today’s screencast walks through how to build a structural topic model and...