Introduction of Count Progression Tool in FanGraphs Lab

FanGraphs Lab has unveiled a new feature called the Count Progression tool, aimed at examining how the frequency of baseball counts has evolved over time. This launch follows a hiatus in releasing new data visualization options.

The tool allows users to analyze various counts and their outcomes, utilizing Markov chains to assess how each count influences walk, strikeout, and hit rates. Users can select specific years and outcomes to see how counts have contributed to changes in these metrics.

Additional features include the ability to track individual counts over time, compare pitch outcomes across different years, and visualize the flow of counts in a dynamic format. This tool is intended to assist in understanding the evolving nature of baseball statistics, particularly regarding walk and strikeout rates.