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Pinetar Power Rankings 2013
Sept. 30th (162 games)
This sessions individual power rankings leaders are:
NL: KF and his Richmond Spiders from Lelantos
AL: Old Pro and his Brew Crew from Helios
AU: Gonzo and his Mighty Quinn from Armageddon
Overall Power Rankings Winner is OldPro (Helios)!
Pinetar's Unlucky Top 25
(Based on Corrected Wins Differential)
How the Power rankings are done:
Power Score: I run each teams stats through the BBM GRF to produce their GRF runs scored (GRFRS) and GRF runs allowed (GRFRA). Subtracted from their GRFRS and GRFRA is the adjustment for league type (LTA). Obviously, AU leagues typically score more runs and give up less runs than NL, and NL typically has a higher differential than AL, so this evens the playing field so I can compare teams run differentials across leagues. Next, I adjust each leagues League Strength Factor (LSF) by accounting for the difference of league type LSF, to once again even the field. AU leagues have much higher LSF's because they have fewer total leagues, so the variance of their LSF's are greater. Finally, I multiply each teams League Type adjusted run differential by their League Type adjusted LSF. I then add back in 1.1 runs to each teams run differential, so I don't have so many teams with negative RD's. The 1.1 is only a cosmetic addition so teams with positive RD's in weak leagues don't wind up with negative RD's. The 1.1 is added to all teams across the board, so it doesn't affect anyone's rank at all. It's only meant to eliminate confusion generated by a good team having a negative RD.
OPS: This is produced by calculating each teams On Base + Slugging Percentage from their league stats page.
ERA: This is taken directly from each teams league stats page.
TE: This is each teams Team Errors, taken from their league stats page.
CWD: Calculated Win Differential. This uses Bill James Pythagorean formula applied to each teams calculated runs scored and runs allowed (not their actual BBM RS/RA) to calculate what a teams winning percentage should be, if everything broke statistically even. This calculated winning percentage is multiplied by the games played to produce the number of wins a team should have. A positive number indicates a team has X more wins than it should, and a negative number indicates a team has won X games less than it should, if everything broke even statistically.
Final Note: The Power Rankings are strictly a statistical exercise that show which teams have produced the best stats overall. Some teams that lead their league might not be ranked as high in the Power Rankings. There are many things that account for that occurrence. Run rounding, Home Field Advantage or Fewest Pitching Hit wins, throwing or facing an abundance of lefties or weak lineups, or sometimes just plain dumb luck are examples of how a team that's winning might be considered to be an average team. It has been my experience though that teams tend to rise or fall to their Power Ranking as the year progresses. The teams that are highly ranked in the rankings now, but are not in the top half of their leagues are likely to be soon. Weak teams that are leading their league but have low Power Rankings will most likely fade as the year progresses, unless they make changes.
I hope you enjoy the Pinetar Power Rankings. As always, if you have any questions or comments about my Power Rankings please feel free to email me.