I wanted to let people know that my new book Handbook of Regression Modeling in People Analytics is now available.

# Category Archives: Uncategorized

## 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.

## 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).

## Five common analysis fails

The things they never tell you in statistics classes

## Tidy web scraping in R — Tutorial and resources

It’s a lot easier than you think, and there’s some questionable Seventies music too!

## The technologies that every analytics group needs to have

Four game-changing technologies can enable a world-class analytics group

## Building a model? Here’s the first question you should ask

Whether your model is meant to be explanatory or predictive has profound implications for its design

## How does Machine Learning work?

This is the second in a series of articles intended to make Machine Learning more approachable to those without technical training.