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Old 07-29-2010, 09:45 AM
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Default Ops +

We need this stat.. should be easy to put together and add to the table. A stat like this would give us a good basis for comparing players contributions as well as relative value.

OPS+
From Sabermetrics

OPS+ (sometimes Adjusted OPS (AOPS) or Adjusted Production (PRO+)) is an offensive rate statistic adjusted for league context and park. Developed by Pete Palmer, OPS+ is the sum of relative On-Base Percentage and relative Slugging Average minus one. The statistic sometimes causes confusion since it is not a simple ratio of OPS to the league average as is the case with many other statistics with the "adjusted" prefix or "+" suffix. Its calculation involves normalizing each of its components to the league average, excluding batting statistics of pitchers.

OPS+ = "OBP+" + "SLG+" - 100

or

OPS+ = 100 *(OBP/LgOBP + SLG/LgSLG - 1)

In the above formula, LgOBP and LgSLG are the league average OBP and SLG (for nonpitchers) adjusted to the hitter's home park, so they may be different for hitters on different teams even in the same league and same year.

For teams and average performers, OPS+ is a fair approximation of runs per out relative to the league average. Its cousin OPS and the expected form for a "OPS+" statistic, OPS/LgOPS, do not result in an estimated unit. From a historical perspective, LgSLG is usually around 1.2 times LgOBP, and so OPS+ essentially is based on 1.2*OBP + SLG. It is therefore more accurate in estimating runs scored than simple OPS, as the best-fit weight for OBP, based on comparison with Linear Weights results is around 1.8.

An OPS+ of 100 is considered average for a hitter. Because OPS+ excludes pitchers from the calculation of league average, however, the average team OPS+, which includes all hitting stats for a team, including those of pitchers, is less than 100.

http://www.tangotiger.net/wiki/index.php?title=OPS%2B
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Old 07-29-2010, 11:06 AM
dinosaur dinosaur is offline
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Quote:
Originally Posted by DornCounty View Post
We need this stat.. should be easy to put together and add to the table. A stat like this would give us a good basis for comparing players contributions as well as relative value.

OPS+
From Sabermetrics

OPS+ (sometimes Adjusted OPS (AOPS) or Adjusted Production (PRO+)) is an offensive rate statistic adjusted for league context and park. Developed by Pete Palmer, OPS+ is the sum of relative On-Base Percentage and relative Slugging Average minus one. The statistic sometimes causes confusion since it is not a simple ratio of OPS to the league average as is the case with many other statistics with the "adjusted" prefix or "+" suffix. Its calculation involves normalizing each of its components to the league average, excluding batting statistics of pitchers.

OPS+ = "OBP+" + "SLG+" - 100

or

OPS+ = 100 *(OBP/LgOBP + SLG/LgSLG - 1)

In the above formula, LgOBP and LgSLG are the league average OBP and SLG (for nonpitchers) adjusted to the hitter's home park, so they may be different for hitters on different teams even in the same league and same year.

For teams and average performers, OPS+ is a fair approximation of runs per out relative to the league average. Its cousin OPS and the expected form for a "OPS+" statistic, OPS/LgOPS, do not result in an estimated unit. From a historical perspective, LgSLG is usually around 1.2 times LgOBP, and so OPS+ essentially is based on 1.2*OBP + SLG. It is therefore more accurate in estimating runs scored than simple OPS, as the best-fit weight for OBP, based on comparison with Linear Weights results is around 1.8.

An OPS+ of 100 is considered average for a hitter. Because OPS+ excludes pitchers from the calculation of league average, however, the average team OPS+, which includes all hitting stats for a team, including those of pitchers, is less than 100.

http://www.tangotiger.net/wiki/index.php?title=OPS%2B
i remember reading an article that had a minute flaw in this equation......let me try to find it
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Old 07-29-2010, 11:22 PM
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grom grom is offline
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I always stand firmly with more stats

In general, I'd love to see a rate based statistic controlled for competition. OPS+, VORP, etc.

It won't be perfect and will start plenty of arguments, but that will be good. I think...
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Old 07-30-2010, 07:54 AM
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modestninja modestninja is offline
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Originally Posted by grom View Post
I always stand firmly with more stats

In general, I'd love to see a rate based statistic controlled for competition. OPS+, VORP, etc.

It won't be perfect and will start plenty of arguments, but that will be good. I think...
No it won't!
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Old 07-30-2010, 09:16 AM
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Originally Posted by modestninja View Post
No it won't!
Yes it will!! Dammit
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