tarheelhockey
Offside Review Specialist
First, I owe a debt of gratitude to everyone who has contributed to this project the past two seasons. Thank you for your observations, arguments and encouragement!
Previous seasons' ratings:
2011-12
2012-13
The concept
The basic idea of Subjective +/- is very simple: we assign +/- to players based on their actual contribution to a scoring play, as opposed to their mere presence on the ice. This project is an attempt to generate data that actually measures performance in a (rationally) subjective manner, providing a better sense of which players are genuinely responsible for game outcomes.
The rules
1) Assignment of pluses and minuses is based upon our collective evaluation. We must identify a direct link between a player's actions and the scoring of a goal in order for a point to be assigned.
2) Only goals scored at even strength will be counted. Unlike standard +/-, special teams goals are completely ignored.
3) Empty net goals will not be counted.
4) Goals that are judged to be the fault of the goaltender will not be counted. The idea is to hold players responsible for things that are reasonably under their control. Goaltender errors are tabulated as a novelty stat.
Procedure
I will review each game and post an initial summary of points awarded. This is intended to be a draft, not a final judgment. To the best of my ability, a video showing full replays of each goal will also be posted.
All forumers are welcome and encouraged to review the video and note any potential errors or omissions. This crowd-sourcing of our data is our quality control, and ensures that our results are valid and useful. Please speak up if you see something that needs to be changed!
If there is a substantial amount of disagreement over a point, it will go in the Margin of Error (MoE) column. This provides some transparency as to the accuracy of the final numbers.
This being our third season, we are going to start seeing some interesting cumulative results. I hope this will continue to be a fun, worthwhile project for the Canes board.
To everyone who takes the time to contribute, Thank You!
Previous seasons' ratings:
2011-12
2012-13
The concept
The basic idea of Subjective +/- is very simple: we assign +/- to players based on their actual contribution to a scoring play, as opposed to their mere presence on the ice. This project is an attempt to generate data that actually measures performance in a (rationally) subjective manner, providing a better sense of which players are genuinely responsible for game outcomes.
The rules
1) Assignment of pluses and minuses is based upon our collective evaluation. We must identify a direct link between a player's actions and the scoring of a goal in order for a point to be assigned.
1a) A "plus" is assigned when a player actually contributes to a goal by his actions (or, rarely, by his non-actions). This could be as obvious as shooting the puck in the net, or as subtle as a screen or interference away from the puck. The bottom line is: his actions must have a tangible impact upon the sequence of events that lead directly to the goal.
- 1b) A "minus" is assigned when a player actually contributes to a goal-against by his actions (or, often, by his non-actions). A "minus" is not necessarily related to defensive play; offensive errors which lead directly to a goal against, such as own-goals and turnovers in front of the net, may count as minuses. Generally a player will not be given a minus if he made a correct defensive play and was defeated by circumstance or extraordinary skill (ie, we aren't holding unstoppable goals against him).
2) Only goals scored at even strength will be counted. Unlike standard +/-, special teams goals are completely ignored.
- 2a) Goals scored in the immediate sequence of events following the end of a power play will not be counted, even if they are technically ES goals. The idea is that a team is still essentially shorthanded for a few seconds after a penalty ends.
3) Empty net goals will not be counted.
4) Goals that are judged to be the fault of the goaltender will not be counted. The idea is to hold players responsible for things that are reasonably under their control. Goaltender errors are tabulated as a novelty stat.
Procedure
I will review each game and post an initial summary of points awarded. This is intended to be a draft, not a final judgment. To the best of my ability, a video showing full replays of each goal will also be posted.
All forumers are welcome and encouraged to review the video and note any potential errors or omissions. This crowd-sourcing of our data is our quality control, and ensures that our results are valid and useful. Please speak up if you see something that needs to be changed!
If there is a substantial amount of disagreement over a point, it will go in the Margin of Error (MoE) column. This provides some transparency as to the accuracy of the final numbers.
This being our third season, we are going to start seeing some interesting cumulative results. I hope this will continue to be a fun, worthwhile project for the Canes board.
To everyone who takes the time to contribute, Thank You!
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