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Course 8:   Visual Analytics

Lesson 2:   Best Practices

  1. Make Better Decisions
    The appli­ca­tions are tru­ly lim­it­less. Here’s just a few exam­ples how the data on this page could impact your decisions.

    • You fil­ter attacks for play­er #18 and then switch back and forth between your two set­ters, play­er #9 and play­er #2. Though play­er #18 is typ­i­cal­ly in an attack­ing posi­tion when play­er #9 is set­ting, you notice that her attack effi­cien­cy sig­nif­i­cant­ly increas­es when play­er #2 was the one to set the ball. You rearrange your rota­tions so that play­er #18 is attack­ing more often when play­er #2 is setting.
    • While look­ing all of your play­ers, you notice there’s a lot more data for first ball sit­u­a­tions than tran­si­tion sit­u­a­tions. You real­ize that’s because you don’t fre­quent­ly make it to tran­si­tion sit­u­a­tions. You won­der if this is because, in first ball sit­u­a­tions, you make ral­ly-end­ing errors or score ral­ly-end­ing points. Upon fil­ter­ing for first ball, you see a lot of red sets very close to the net, indi­cat­ing errors. You decide to work with your passers on serve receive to pull their pass­es a lit­tle off the net, giv­ing your set­ter a bet­ter chance at set­ting the ball.
    • While look­ing at recep­tions in rota­tion two, you rec­og­nize there are a lot of red touch­es in zone one. When you exclude that zone, your team effi­cien­cy increas­es from .175 to .242. You decide to work with the play­er respon­si­ble for receiv­ing balls in this area to increase their efficiency.