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Park Factors
https://www.mlbppworld.com/viewtopic.php?f=12&t=9325
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Author:  aar0nat0r [ Sat Apr 04, 2015 8:49 pm ]
Post subject:  Park Factors

Instead of simply guessing how much playing at a park such as Coors or Petco affects a hitter, we should just apply park factors to their stats when planning and creating them is success mode. For example, the Coors Field park factor for HRs is 116. This means it is 16% above average. So to find the players true talent HR total, simply multiply his raw HR total times the inverse of the park factor, then divide by 100 to arrive at the players true HR total. I.e., if a player hits 20 HRs while playing for the Rockies, his true talent HR total is 17. 20 x 84 = 1680, 1680 divided by 100 = 16.8. Round to the nearest whole number and you get 17. This method can be used for a variety of hitting stats, and a full list of park factors can be found here: http://www.fangraphs.com/guts.aspx?type=pf&teamid=0&season=2014

The park factors shown in the link have been halved since a player only plays half of his games at home. Since all the away games played average out to an average park played in, you can simply apply the park factor to all a players stats for his respective home field.

Questions? Comments?

Author:  bjen [ Sat Apr 04, 2015 9:10 pm ]
Post subject:  Re: Park Factors

I don't totally understand what your saying, but I definitely notice the ball flies farther at Coors in Home Run mode than any other ball park.

Author:  AgentP [ Sat Apr 04, 2015 9:10 pm ]
Post subject:  Re: Park Factors

It would make more sense to do it this way (taking the 20 HR example):

20 divided by 116 is 0.172, 0.172 times 100 is 17.2, 17.2 rounded to nearest integer = 17 HR

Same result with this example, but this method is the more mathematically correct of the two and results may vary between the two methods with other players.

Author:  aar0nat0r [ Sat Apr 04, 2015 9:16 pm ]
Post subject:  Re: Park Factors

AgentP wrote:
It would make more sense to do it this way (taking the 20 HR example):

20 divided by 116 is 0.172, 0.172 times 100 is 17.2, 17.2 rounded to nearest integer = 17 HR

Same result with this example, but this method is the more mathematically correct of the two and results may vary between the two methods with other players.

I see what you're saying, and that would probably work better

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