Data Collection Begins!

04/24/2020

I began collecting data on April 20, 2020, and collected data from swings in the middle of the strike zone. After watching Alex's data trends for a few days, I determined the lower and upper bounds for my data collection.


In every session of BP, he takes 30 swings. After he takes 30 swings, I go and enter all of the data within these constraints into an excel sheet. In this sheet, I collect the impact momentum, power, approach angle, projected distance, and exit velocity. 

After I have collected data for 50 swings, I go into Logger Pro and enter all of the data for approach angle and projected distance into the application to generate a graph plotting projected distance vs approach angle for the middle of the strike zone. 

I have officially collected data from 50 swings for a pitch in the middle of the strike zone, and this is what the graph looks like. The correlation is about .98, which is awesome! The reason for it not being 1.00 due to human error, the range of data being collected (impact momentum, exit velocity, and power), and the software rounding data to the nearest whole number. Based on the graph, one can determine that a right-handed batter can hit a ball (right down the pipe) the furthest when they make have an attack angle around 30 degrees.

Now, I have been collecting data for middle and inside the zone. After that, I plan on testing middle and outside pitches.

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