TRACKING FACTORS ( |
|
---|---|
Acronym or name | Description |
Physiological variables | |
Physiological Load (Phy_Load) | Every 0.25 second throughout the course of a game the product of a player’s mass, velocity and distance. Phy_Load = mass*average velocity*distance |
Physiological Intensity (Phy_Int) | Physiological load, divided by every minute he plays. Phy_Int = Phy_Load /minutes played |
Speed and distance variables | |
Defensive average speed (Def_Average_Speed) | Average Speed Run on Defense (ml/h) |
Offensive average speed (Off_Average_Speed) | Average Speed Run on Offense (ml/h) |
Distance | Total distance run (ml) |
Mechanical Load variables | |
Mechanical Load (Mech_Load) | Measures the change of speed by a player throughout the course of the game. These are identified as accelerations and decelerations, derived from the changing of speeds throughout the locomotor activities (walk, jog, run, sprint, max). Each level includes a weighting factor to account for the severity of the acceleration and deceleration |
Mechanical Intensity (Mech_Int) | Mechanical Load/minutes played |
Acceleration (acc) | Increase in intensity that is maintained for at least one second |
Level one acceleration (Acc_1) | 0.5 m/s2 acceleration |
Level two acceleration (Acc_2) | 1 m/s2 acceleration |
Level three acceleration (Acc_3) | 2 m/s2 acceleration |
Level four acceleration (Acc_4) | 4 m/s2 acceleration |
Deceleration (Dec) | Decrease in intensity level that is maintained for at least one second |
Level one deceleration (Dec_1) | 0.5 m/s2 deceleration |
Level two deceleration (Dec_2) | 1 m/s2 deceleration |
Level three deceleration (Dec_3) | 2 m/s2 deceleration |
Level four deceleration (Dec_4) | 4 m/s2 deceleration |
Locomotor variables | |
Walk maximal speed (WALK_MAX) | player individually achieved 0-20% of maximal speed |
Run maximal speed (RUN_MAX) | player individually achieved 40-60% of maximal speed |
Sprint maximal speed (SPRINT_MAX) | player individually achieved 60-80% of maximal speed |
Maximal speed (MAX_MAX) | player individually achieved >80% of maximal speed |
NON-TRACKING FACTORS ( |
|
---|---|
Acronym or name | Description |
Performance variables | |
Player efficiency rating (PER) | Rating of a player's per-minute productivity (1 / MP) *[ 3P + (2/3) * AST + (2 - factor * (team_AST / team_FG)) * FG + (FT *0.5 * (1 + (1 - (team_AST / team_FG)) + (2/3) * (team_AST / team_FG)))- VOP * TOV- VOP * DRB% * (FGA - FG)- VOP * 0.44 * (0.44 + (0.56 * DRB%)) * (FTA - FT)+ VOP * (1 - DRB%) * (TRB - ORB)+ VOP * DRB% * ORB + VOP * STL + VOP * DRB% * BLK - PF * ((lg_FT / lg_PF) - 0.44 * (lg_FTA / lg_PF) * VOP) ] |
Usage percentage (Usg%) | An estimate of the percentage of team plays used by a player while he was on the floor: 100 * ((FGA + 0.44 * FTA + TOV) * (Tm MP / 5)) / (MP * (Tm FGA + 0.44 * Tm FTA + Tm TOV)) |