Victor Holman, Sports Analytics Expert discusses subjects and variables.
Data is collected on a variety of subjects.
Subjects can be individual players, teams, games, seasons, plays, coaches, etc.
The same subject can used in different ways depending on exactly what analysis is required.
If we are comparing pitchers, we could compare Justin Verlander and Clayton Kershaw regarding their runs allowed per game in a season.
In this case, both Verlander and Kershaw are the subjects.
Alternatively, we could compare Justin Verlander in the 2016-2017 season to Justin Verlander in the 2017-2018 season.
In this case, we are using Verlander as two different subjects in the same analysis.
A variable is the specific characteristic of the subjects that is being measured.
If we look at National Basketball League players for a season some possible variables would be points scored, shots taken, and games played.
The list goes on and on.
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