Chartfleau

Put a laser focus on data visualization

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Recent Projects

How Stocks are Performing in 2020

A swarm plot showing returns for all S&P 500 companies organized by sector (color). The size of each circle is correlated with the company's market capitalization.

Leaked Information and Kodak Stock

On July 27, information was leaked on Twitter and Reddit that a "BIG announcement" concerning Kodak and the U.S. government would be coming the next day. These charts look at the timing of the leak and the wild week of trading that ensued.

Data Visualization in React

This tutorial introduces the Nivo package, which leverages D3 to make beautiful responsive charts in React applications. We compare daily returns for 5 popular technology stocks and introduce the concept of value at risk (VaR) used in market risk management.

Radiohead's Musical Styles

A change of pace from the usual financial subject matter. These are radar charts comparing Radiohead's discography across five musical features that Spotify provides for each track.

S&P 500 Race Chart

An animated bar chart showing the top 10 year-to-date (YTD) returns by company daily in 2020. Implemented in React with Nivo.

D3 Swarm Plot Tutorial

A guide to making a swarm or "beeswarm" chart using Javascript and D3. Written for those who already know some Javascript and the D3 basics.

Mobility Data and Commodity Prices

Apple provides daily mobility data compared with baseline measurements from January. These charts look at price trends for certain commodities in the context of the COVID lockdown in the U.S.

Covid-19 Trajectories by Country

A country-by-country comparison of Covid-19 case trajectories. The chart can be dynamically filtered for selected countries using a search field. Data is pulled from the Johns Hopkins University Github database.