Shippers Impact value

[Ray2000]

FYI, significant Impact value on Shippers (track change)


Starters 1/1/18-11/30-18 .

___________Starts__Winners___Win%____ROI
All(base)......75125 . . .10144 . . . 13.5% . . . 0.757

Locals..........66268 . . . .8803 . . . .13.3% . . .0.748

Shipins..........3849 . . . . .654 . . . . 17.0% . . .0.822

Impact value . . . . . . . . . . . . . . . . . 1.28 . . . . 1.10

[Bogo]

I felt like this was happening but didn't have the stats you presented. Do you happen to know what track is the best for shippers?

[Ray2000]

When breaking down by individual tracks, the sample size becomes too small for the margin of error.

Here's a few examples.

Sorry, I lost Mohawk, the name change MOH->WBSB screws me again, accidentally deleted.

    Starts    Wins    Win%    ROI    Win Impact
Yonkers                    
    3484    514    14.8%    0.76    1.11......locals
    361    59    16.3%    0.76    ..........ship-ins
BigM                    
    1461    207    14.2%    0.85    1.55
    319    70    21.9%    0.77    
Northfield                    
    8442    1028    12.2%    0.72    1.25
    118    18    15.3%    0.63    
Meadows                    
    8442    1028    12.2%    0.72    1.25
    118    18    15.3%    0.63    
Hoosier                    
    4549    556    12.2%    0.75    1.44
    119    21    17.6%    0.62

note, when looking at all starters all tracks, field size gets somewhat 'washed out'
but it effects track to track comparison of win percents.
Impact values aren't effected this way but they have other limitations.