## Shawn Green vs. JD Drew

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Wozzyck wrote:For the stats (other than OPS), I used the 3-year averages to compute the per-game performance for Drew and Green vs. RHP (so again this is being nice to Green since he will still be facing some lefty relievers). So the lines were calculated by computing 108*(Drew line) + 54*(Green line) and 162*(Green line).

So, I think our different numbers are drive by the fact that I use the weighted average (50% most recent year, 33% 2004, 17% 2003), where you used straight averages (33% most recent, 33% 2004, 33% 2003). My greater weight on Drew's most recent and worst year is what makes my numbers closer.
GotowarMissAgnes
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GotowarMissAgnes wrote:
Wozzyck wrote:For the stats (other than OPS), I used the 3-year averages to compute the per-game performance for Drew and Green vs. RHP (so again this is being nice to Green since he will still be facing some lefty relievers). So the lines were calculated by computing 108*(Drew line) + 54*(Green line) and 162*(Green line).

So, I think our different numbers are drive by the fact that I use the weighted average (50% most recent year, 33% 2004, 17% 2003), where you used straight averages (33% most recent, 33% 2004, 33% 2003). My greater weight on Drew's most recent and worst year is what makes my numbers closer.

I think you put way too much thought into J.D. Drew and Green.
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The Cow wrote:
GotowarMissAgnes wrote:
Wozzyck wrote:For the stats (other than OPS), I used the 3-year averages to compute the per-game performance for Drew and Green vs. RHP (so again this is being nice to Green since he will still be facing some lefty relievers). So the lines were calculated by computing 108*(Drew line) + 54*(Green line) and 162*(Green line).

So, I think our different numbers are drive by the fact that I use the weighted average (50% most recent year, 33% 2004, 17% 2003), where you used straight averages (33% most recent, 33% 2004, 33% 2003). My greater weight on Drew's most recent and worst year is what makes my numbers closer.

I think you put way too much thought into J.D. Drew and Green.

I know I don't care what you think.
GotowarMissAgnes
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GotowarMissAgnes wrote:
Wozzyck wrote:For the stats (other than OPS), I used the 3-year averages to compute the per-game performance for Drew and Green vs. RHP (so again this is being nice to Green since he will still be facing some lefty relievers). So the lines were calculated by computing 108*(Drew line) + 54*(Green line) and 162*(Green line).

So, I think our different numbers are drive by the fact that I use the weighted average (50% most recent year, 33% 2004, 17% 2003), where you used straight averages (33% most recent, 33% 2004, 33% 2003). My greater weight on Drew's most recent and worst year is what makes my numbers closer.

Well, doing it as you've described (for OPS, as well) it's:

Team Drew: .930 OPS, .296 BA, 110 R, 30 HR, 86 RBI, 6 SB
Team Green: .869 OPS, .296 BA, 94 R, 25 HR, 80 RBI, 4 SB.

Are we done here?
Wozzyck
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Wozzyck wrote:
GotowarMissAgnes wrote:
Wozzyck wrote:For the stats (other than OPS), I used the 3-year averages to compute the per-game performance for Drew and Green vs. RHP (so again this is being nice to Green since he will still be facing some lefty relievers). So the lines were calculated by computing 108*(Drew line) + 54*(Green line) and 162*(Green line).

So, I think our different numbers are drive by the fact that I use the weighted average (50% most recent year, 33% 2004, 17% 2003), where you used straight averages (33% most recent, 33% 2004, 33% 2003). My greater weight on Drew's most recent and worst year is what makes my numbers closer.

Well, doing it as you've described (for OPS, as well) it's:

Team Drew: .930 OPS, .296 BA, 110 R, 30 HR, 86 RBI, 6 SB
Team Green: .869 OPS, .296 BA, 94 R, 25 HR, 80 RBI, 4 SB.

Are we done here?

Not really. I have no clue how you got to those numbers. If Drew and Green are assumed to have identical outcomes in the 54 games where they do not play, how can a difference of 5 runs, 2 HRs, and 1 RBIs .002 in BA be transformed into 16 runs, 5 HRs,and 6 RBIs and no difference in BA. I can only guess that maybe in some way you are misweighting through games or double counting in some fashion.
GotowarMissAgnes
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GotowarMissAgnes wrote:Not really. I have no clue how you got to those numbers. If Drew and Green are assumed to have identical outcomes in the 54 games where they do not play, how can a difference of 5 runs, 2 HRs, and 1 RBIs .002 in BA be transformed into 16 runs, 5 HRs,and 6 RBIs and no difference in BA. I can only guess that maybe in some way you are misweighting through games or double counting in some fashion.

The weighted mean (i.e. 50/33/17) for Drew over the last three years is:
101 G, 346 AB, 73 R, 20 HR, 56 RBI, 5 SB, .296 BA, .962 OPS

For Green vs. RHP it's:
420 AB, 65 R, 17 HR, 55 RBI, 3 SB, .296 BA, .869 OPS

If one calculates Greens typical AB/G, the above line comes from about 112 G.

We've been assuming Drew will play 2/3 of the season, so for his 2/3 he produces about:
108 G, 370 AB, 78 R, 22 HR, 60 RBI, 5 SB, .296 BA, .962 OPS

For Greens 2/3 he produces about:
108 G, 405 AB, 63 R, 16 HR, 53 RBI, 2 SB, .296 BA, .869 OPS.

I believe it's your calculations that are in error. You might want to check them again (it's easy enough to do).
Wozzyck
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I would take Drew. Better hitter, much better upside. Green is a safer pick, but i always take the upside guy over safe.
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Wozzyck wrote:
GotowarMissAgnes wrote:Not really. I have no clue how you got to those numbers. If Drew and Green are assumed to have identical outcomes in the 54 games where they do not play, how can a difference of 5 runs, 2 HRs, and 1 RBIs .002 in BA be transformed into 16 runs, 5 HRs,and 6 RBIs and no difference in BA. I can only guess that maybe in some way you are misweighting through games or double counting in some fashion.

The weighted mean (i.e. 50/33/17) for Drew over the last three years is:
101 G, 346 AB, 73 R, 20 HR, 56 RBI, 5 SB, .296 BA, .962 OPS

For Green vs. RHP it's:
420 AB, 65 R, 17 HR, 55 RBI, 3 SB, .296 BA, .869 OPS

If one calculates Greens typical AB/G, the above line comes from about 112 G.

We've been assuming Drew will play 2/3 of the season, so for his 2/3 he produces about:
108 G, 370 AB, 78 R, 22 HR, 60 RBI, 5 SB, .296 BA, .962 OPS

For Greens 2/3 he produces about:
108 G, 405 AB, 63 R, 16 HR, 53 RBI, 2 SB, .296 BA, .869 OPS.

I believe it's your calculations that are in error. You might want to check them again (it's easy enough to do).

I'm with you, now, except on the BA, where my three year average for Drew is .293. Are you weighting that also by number of ABs in the years (which would pull Green up, since he hit .250 in 2004)
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