by The Data School | Oct 29, 2021 | Sebastian van Gerwen
Throughout my Data School training, the blogs of other Data Schoolers have been a hugely important resource. There exists a data school blog that will answer almost any Tableau or Alteryx development question, as well as vast numbers of other data-analytics resources....
by The Data School | Oct 20, 2021 | Sebastian van Gerwen
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 understanding of how these algorithms work and the role of each parameter. I will not explain the mathematics behind...
by The Data School | Oct 18, 2021 | Alteryx, Sebastian van Gerwen
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 find the packaged workflow containing the neural network here. Before I continue, however, I feel compelled to include a short...
by The Data School | Oct 11, 2021 | Alteryx, Sebastian van Gerwen
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, is impossible. This is not because of Tableau’s limitations, but is a consequence of that fact that computer...
by The Data School | Oct 9, 2021 | Sebastian van Gerwen
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 is not the most exciting topic. But before you go running for the hills, consider sticking around – visualising mathematical...
by The Data School | Sep 30, 2021 | Sebastian van Gerwen
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 wanted to share some insights from the creation of this chart. Essentially, I created two rings – an outer ring for...
