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BP: An analysis of playoff ballparks

By Clay Davenport
Baseball Prospectus

Monday, October 5, 2009

A park factor is a measure of how a team's home field changes its statistics. It results from a combination of many factors -- the distance and height of the outfield fences, angles, foul territory, visibility, field surface and weather, for example. It is not the case that the Yankees have a high park factor for home runs (PF) because they hit a lot of home runs. To get a high PF, you need to hit and allow more home runs in your home games than you do in your road games. An average effect o ...

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