Advanced exploratory data analysis (EDA) with Python

How to quickly get a handle on almost any tabular…

Becoming a Junior Developer in 2019

You learned how to code. Now what?

Moving from CarrierWave to ActiveStorage in a Rails app

An illustrated introduction to APIs

Ever wondered what an API is? Here is an illustrated intro to get…

Encoding Categorical Variables in Practice

Context: Many machine learning models require categorical variables to be encoded with numerical values. For instance, using one-hot encoding which creates a binary variable (0/1) for each possible value, e.g., if weather is a categorical variable with…

Introduction to Hashes in Ruby, and in Rails

One of the most fundamental and important types in the Ruby programming language is the Hash. It is a simple and flexible way to store structured values together, and Hashes are used all over the place in Rails application code. There’s not much to it…

Age prediction of a speaker’s voice

How to perform EDA and data modeling on audio data using Python

API Whispering 101

Dear API, it’s time we talk about what API requests are…

From static to animated time series: the tidyverse way

Scraping web data with R & the Tidyverse

Learn how to scrape data and plot charts with this…