The Floating Line as a Global Basketball Performance Indicator
The Floating Line is a global performance indicator based on the player's statistical contribution average for every complete game. One or more statistical sections could be considered, and we will take into account fixed reference values which, also, keep a specific relation each other.
In FIBA basketball (40 minute games) let be these the following parameters:
- 10 points, divided as 1 3-pointer made, 2 2-pointers made, and 3 free throws made;
- 5 total rebounds;
- 2,5 assists;
- 1,25 steals;
- 1 block.
If a player holds these averages for every 40 minutes played, he's exactly above the floating line, this is, his floating line value will be 1. A player due to his specific role within the game will be specialized more in a section rather than the other.
The floating line will try to canalize this statistical contribution into a full performance number. Therefore, we will divide the averages per 40 minutes played of every statistical section by its respective media reference, we will sum their quotients and we will divide it by the total of available criteria. We can use it for a game, for a season, or for a entire career.
Let's see an example:
Sergio Rodríguez, point guard from Real Madrid in Liga Endesa (Spanish ACB), in 34 regular season games of 2011-12 season he disputed 614 minutes, in which he scored 197 points (19 3-pointers, 52 2-pointers and 36 free throws made), grabbed 66 rebounds, dished 130 assists, stole 25 balls and blocked twice. His per-game averages are 5.8 points (0.6 3pts, 1.5 2pts, 1.1 ftm), 1.9 rebs, 3.8 asts, 0.7 stls and 0.1 blks. However, he only disputed 18 minutes per game.
Translated in averages every 40 minutes we have 12.8 pts (1.2 3pts, 3.4 2pts and 2.3 ftm), 4.3 rebounds, 8.5 assists, 1.6 steals and 0,1 blocks. We will procede to divide every one of these values by its media reference:
PTS: 12.8 / 10 = 1.28
3PM: 1.2 / 1 = 1.2
2PM: 3.4 / 2 = 1.7
1PM: 2.3 / 3 = 0.8
REB: 4.3 / 5 = 0.86
AST: 8.5 / 2,5 = 3.4
STL: 1.6 / 1,25 = 1.3
BLK: 0.1 / 1 = 0.1
FLV (Floating Line Value) = (1.28 + 1.2 + 1.7 + 0.8 + 0.86 + 3.4 + 1.3 + 0.1)/8 = 1.33
We can figure out that Sergio Rodríguez has a specific point-guard role, where his main skill is undoubtedly the assists (3.4 per game, 8.5 for every 40 minutes, a very high average for being FIBA), however in other aspects like blocks he's almost null, and for being a point-guard he's not esentially a three-point shooter (0.6 per game, 1.2 for every 40 minutes), thus it's justified that his global value be somewhat above his performance media.
Generally players who have a Floating Line Value higher than 1 are those who their total efficiency rating is higher than their points average for every 40 minutes played.
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