Today, we begin learning Polars, an alternative data analysis Python library to pandas. We’ll learn about how Polars is similar to and different from pandas and why it is an appealing choice in 2025 for ETL (extract-transform-load) operations. […]
Category: Data Club
SQL and NoSQL Databases in Python with Pandas
Today we looked at using databases in Python. […]
Git and Gitting Organized (Also, Text Editing)
Today we talk a bit about project management and see how to use Git with VS Code. […]
Day One Exploratory Data Analysis with JavaScript
Today we return back to our Observable notebooks to learn how to do lightning fast exploratory data analysis! […]
Day One Generating Jamstack Websites
Today we ported our knowledge of the Observable workflow into making our own bespoke Jamstack websites. This was a rocky road, but everyone won in the end! […]
Installing Observable Framework from Zero
On November 7, we’ll be deconstructing websites built with Observable’s “Framework” framework for making data-driven web apps like dashboards. But before we can deconstruct, we have to construct. This short video shows you how to get an Observable Framework site running in four steps. […]
Day One Map Making with Leaflet
Making web maps is pretty easy with Leaflet. In this Data Club, we got some spatial data and plotted it in the browser. […]
Day One Data with Observable
With a general sense of how to use JavaScript, particularly in an Observable environment, we next brought our data into our notebooks, so we could work with them. We ran into some trouble with one of the challenges, so we added a new video after the fact. […]
Day One JavaScript
Data Club returned in 2024 with a focus on JavaScript! In our first meeting, we got familiar with the basic syntax of the language and learned some rudimentary programming idioms. Then we worked on applying what we have learned to various tasks of our choosing. […]