holtzy

Hi HN, I just launched data-to-art.com, a curated online gallery focused on data driven art. The site showcases artists who take real datasets and transform them into visual works that visually appealing or intriguing.…

A quick game to test and sharpen your data visualization design skills. Choose the better chart in 17 head-to-head matchups & learn something new with each one!

I've been using Matplotlib for years and even created python-graph-gallery.com to help people quickly build charts with Python. However, I’ve always struggled to grasp the "big picture" of how everything fits together.…

D3.js is the leading library for dataviz on the web. React is the most widely used framework for building UIs. But making them work together is notoriously difficult. I spent five years creating custom charts for…

Finding a good color palette for a chart is a struggle. Using the palette in a Matplotlib chart is not easy. We just created a Python library called pypalettes that references 2500+ color palettes. You can use any of…

I see so many beautiful charts made with R. And not that many made with Python. So I wanted to prove that it was doable with Python too! I wrote 22 tutorials to create stunning charts I love with Matplotlib. Why are R…

Many JS libraries exist to build graphs on the web (Vega, chartJS, Plotly...). They allow to make charts quickly. But you lose flexibility: you're limited by the options they offer. I just created a gallery with…