So being an ice hockey dad of an 18 year old goalie that has played high level travel hockey the last 14 years I can tell you about keeping track of his GAA (goals against averages), the team's plus / minus stats, where the shots went it..blocker side, five hole, and more. There are many factors that come into play. For netminders much of it is mental and of course focus & tracking. Physical ability, push off, speed, rebound control, and the list goes on. And sometimes it's just an off day...lack of rest, not feeling well, injury, etc. From info captured during all sorts of skills and tests gathered during weekends at the gym and on ice, the coach can try and make sense of this "hockey combine" type data. (sprint speed, vertical jump height, lateral movement times, etc) Coaches have to use all sorts of info to figure out how to form the lines. 1st line, 2nd line, 3rd line. Which players do they mix and match? Which have the highest minus rating (on the ice when a goal is scored against the team). Which have the highest plus rating (on the ice when their team scores a goal). Who do they put with who? Which players gel the best together? Which don't? Why? Which combination would work the best? Why? For shots on goal..what is the quality of the shot on goal? Speed, traffic in front, odd bounce, how far out. There are so many factors involved. The internet of things may change some of this even at the non NHL level in the future. Imagine a sensor in the puck or sensors on the players to track all sorts of data easier. Who was on the ice and where when the puck went in the net? How are these lines working out in real time? Who's been on the ice too long, who has not enough? The list goes on. So much data!! So much fun to try and make sense of it all.
My visual analytical experience in Pittsburgh:
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