Sebastian van Gerwen

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An Intuitive Guide to Common Machine Learning Models

The sheer number of algorithms and tuneable parameters in machine learning can be daunting to any ML beginner. To create an optimized model requires an...

I Built a Neural Network in Alteryx

Yes, the point of this article is in the title. While it is not a particularly useful neural network, it does technically work. You can...

Tableau Plotting in 3D (with Alteryx)

Before I delve into my method, I should clarify the slight falsification in the title of this blog. Plotting perfectly in three dimensions, in Tableau,...

Using Table Calculations to Visualise Maths

Like the title and above image suggest, this entry is about using Tableau to visualise maths. And yes, I know that for most people maths...

Tableau Tricks from my Makeover Monday

I recently built this viz from a makeover Monday dataset of Dark Web product prices. This creation used a few interesting Tableau techniques, so I...

5 Tips for Running Python in Alteryx

Alteryx provides a streamlined and organised visual system for data processing. It is easy to present to non-software users, runs fast, and has clear tools...

How to Make a Calendar in Tableau

Building out a calendar in Tableau can be an interesting way of presenting information over time, but there are a few quirks that make it...

Need a Colour Palette РUse Pokémon!

As someone who is often at a loss when it comes to choosing the right colour palette for a visualisation, I have been told by...

How to Arrange Multiple Charts in One Sheet

More specifically, how to arrange a number of charts by dimension as a table instead of as a row. For this example, I am arranging...

Web Scraping The Data School Blogs in Alteryx

Using Alteryx To Decide Whether I Should Blog or Procrastinate… As the second week of my data training rushes by it is high time that...