Re: 20% of online players win, why do so many say only 10% do???
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Classified as Winners =
(.4 x 900 losers) + (.6 * 100 winners) = 360 + 60 =
420 winners, vs the true number of 100.
Classified as Losers =
(.6 x 900 losers) + (.4 * 100 winnners) = 540 + 40 =
580 losers, vs the true number of 900.
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Good stuff. I was about to do the same thing.
Further: you'll only see a fraction of the players at your limit. I posit a strong correlation between number of hands played and winnerness; losers don't generally multi-table, they play only a few hours a week, and they might play for a few weeks then give up. Therefore, you'll see a larger fraction of the winners in your DB but a smaller fraction of the losers. Losing players come and go without PT ever picking up a hand on them, but the winners are more likely to stick around and get seen by your database.
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