Tag: RJ Andrews

1926 – Karsten's Tridimensional Chart

American economist and statistician Karl G. Karsten patented a method for creating physical visualizations of temporal data by stacking two-dimensional plates, each representing a time period. Each of the plates shown above is a variable-width column chart representing the state of the stock market at the end of a particular month. Each bar is a type of stock, where the height of the bar encodes the stock price and its width encodes volumes of sales. Each month, a new layer is added. Seen […]

Added by: Pierre Dragicevic, sent by: RJ Andrews. Category: Passive physical visualization  Tags: rearrangeable, stock market, temporal data