Tag Archives: UNC Asheville

Carolina vs. UNC-Asheville: +/- and Defensive Charting

Caveat: Single-game +/- figures are so “noisy” (i.e., influenced by randomness) that they’re rendered practically useless. Even with a complete season’s worth of data, the +/- metric (especially in this– its unadjusted– form) suffers from this noisiness. Still, when taken in conjunction with the defensive box score, traditional box score, and old-fashioned “eye test,” the single-game +/- can be a part of the total evaluation process. It also serves as a good summary of Roy Williams’s substitution patterns/rotation.

Some definitions:

Pts-Pts All.: the points scored and points allowed by the team during a given player’s minutes
Off Eff: the points scored per 100 possessions with a given player on the court
Def Eff: the points allowed per 100 possessions with a given player on the court
Net Eff: the scoring margin per 100 possessions with a given player on the court

+/- Stats vs. UNC-Asheville

Player Minutes Pts-Pts All. Off Eff Def Eff Net Eff
Watts 9.4 27-19 145.9 108.6 +37.3
Marshall 32.9 80-58 121.2 90.6 +30.6
Barnes 30.1 69-51 113.1 86.4 +26.7
Zeller 29.2 67-52 113.6 90.4 +23.2
Hairston 11.4 32-27 145.5 122.7 +22.8
TEAM 40.0 91-75 115.2 94.9 +20.3
Henson 29.2 63-54 107.7 92.3 +15.4
McAdoo 9.3 23-21 127.8 113.5 +14.3
Strickland 29.5 58-51 100.0 87.9 +12.1
Bullock 11.8 31-32 129.2 128.0 +1.2
Hubert/Simmons/Cooper/Crouch 1.5 1-2 50.0 66.7 -16.7
Dupont 1.1 0-0 0.0 0.0 0.0
White 0.4 1-2 100.0 200.0 -100.0

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