Real life stats calculated wrong? (Full Version)

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lain -> Real life stats calculated wrong? (1/7/2007 3:41:11 PM)

Jack Clark's real life stats are wrong in the game. The slugging percentage is what I noticed. I am talking about his listed real life career stats. I don't know if it calculated wrong for other players too.



Amaroq -> RE: Real life stats calculated wrong? (1/8/2007 6:17:36 PM)

Can you indicate the year or years that are off, with a bit of detail about the math, what it should be, plus what the game lists?



lain -> RE: Real life stats calculated wrong? (1/9/2007 10:31:01 PM)

In real life Jack Clark had a career slugging percentage of .476. The game lists his career slugging percentage as .579. In 1987 Jack Clark's Slugging Percentage was .597. In the game it lists his as .737. Plus there are many other errors.

[image]local://upfiles/18291/BDB83E3944DF4782BE8176590C04F444.jpg[/image]



PadresFan104 -> RE: Real life stats calculated wrong? (1/9/2007 10:43:22 PM)

This data is taken directly from teh Lahman DB. Is it possible that the errors are in Lahman?



AngryTree -> RE: Real life stats calculated wrong? (1/11/2007 3:12:52 AM)

The Lahman DB doesn't store any calculated stats (slugging, BA, etc.) - it only stores the raw data. PureSim is the one that does the math.

Just looking at the career line, 1826 hits + 332 doubles + 39 triples + 340 homers should come out to be .4755; however, if you calculated slugging as (hits + 2*doubles + 3*triples + 4*homers)/at bats (double counting one base on extra base hits), you come up with .579

I believe this was caught and fixed somewhere else ... splits ???

lain - You said there were other errors. Ignoring the slugging percentages, which are all going to be wrong, was there anything else that stood out as being incorrect?





PadresFan104 -> RE: Real life stats calculated wrong? (1/11/2007 5:10:27 AM)

Good point, I stand corrected!



lain -> RE: Real life stats calculated wrong? (1/11/2007 6:31:35 AM)

Well at baseballreference.com they list his career On Base Percentage as .379, Puresim has it at .380. I don't know if Puresim is rounding that off or including playoff stats?



AngryTree -> RE: Real life stats calculated wrong? (1/11/2007 9:25:36 AM)

quote:

Well at baseballreference.com they list his career On Base Percentage as .379, Puresim has it at .380. I don't know if Puresim is rounding that off or including playoff stats?


Hmm - it looks like Clark's OBP is consistently a few points above what his real OBP should be. Perhaps PureSim is not accounting for Sac Flies (OBP should be H+BB+HBP / AB+BB+HBP+SF )?



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