Programming – drkeithmcnulty.com

Five Tidyverse Tricks You May Not Know About

With recent major updates in two core packages, the tidyverse has substantially improved in the flexible options it offers for data wrangling. Here are five examples of what I mean.

Data Scientists Should Learn Through Play

I first heard of Learning Through Play when I sent my kids to pre-school, but now I realize it’s how all Data Scientists should learn

Visualizing How Networks Change Over Time

Watching phenomena change over time is a big component of modern data science techniques and is the basis for time series methodologies. However, when it comes to networks, whether of people or something else, I don’t see a lot of work being done on understanding how they change over time. In this article – the last of my project based on the Friends TV series – I look at ways that you can create visualizations of changing networks using R (for more basic methods) and the Javascript D3 library (for more advanced methods).

What you need to know about dplyr 1.0.0 – Part 1: The across() adverb

In this article I want to highlight one of the key developments of this release – the across() function.

What Does It Take To Be a Qualified Data Scientist?

Everyone is now calling themselves a Data Scientist. No matter what position I am hiring for, that term is on over 80% of the resumes I look at. It has actually made me start to ignore the term because it is not a differentiator of talent any more.

Ten Time-Saving R Hacks

The more coding I do, the more sensitive I become to inefficiency. Here are ten hacks I use regularly to try to minimize distractions and keep up my production pace.