General Discussion
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Subject: Estimating Weight: Equations 2005 needed
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From
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Location
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Message
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Date Posted
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| GuenterStigert |
Oesterreich
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Could someone post Len Stellpflugs´ and David Martin´s 2005 formulas (4 terms) or Len´s eMail address?
I need the latest circumference and the OTT equations.
Thank You!
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2/8/2006 2:36:22 PM
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| pumpkinpal2 |
Syracuse, NY
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http://bigpumpkins.com/Attachments/2005WeightTables.pdf
i hope this is what you need. it can be found by looking into the "How-to" section of the BP.com website>>>>eric g
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2/8/2006 3:29:01 PM
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| GuenterStigert |
Oesterreich
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No, I don´t need a .pdf file or another table but the Excel formulas:
I found this, but only the 2001 equations: http://www.backyardgardener.com/weightdetail.html
Now I need a update to 2005.
Thanks.
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2/8/2006 3:56:31 PM
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| Boehnke |
Itzetown City
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If you need a pdf reader, you can get em here: http://www.adobe.com/products/acrobat/readstep2.html
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2/8/2006 6:02:28 PM
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| GuenterStigert |
Oesterreich
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Sorry, but I don´t need a acrobat reader.
I meanwile found the formula for the OTT estimator: =WENN(((0,0000217468*E6*E6*E6)-(0,000932949*E6*E6)+(0,26066*E6)-9,825656) < 0;0;((0,0000217468*E6*E6*E6)-(0,000932949*E6*E6)+(0,26066*E6)-9,825656))
I still need the formulas for the circumference method!
Please help me!
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2/8/2006 6:43:51 PM
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| Boehnke |
Itzetown City
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http://www.norddeutsche-kuerbiszuechter.de/html/umfang.html http://www.norddeutsche-kuerbiszuechter.de/html/ott.html http://www.norddeutsche-kuerbiszuechter.de/html/Gewichtstabelle_us_de.htm
HTH
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2/9/2006 4:42:28 AM
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| gordon |
Utah
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From Leonard B. Stellpflug, Equations for January 2005 Weight Tables (by David Martin)
Over-the-top Equation (2005)
Weight = -9.825656 + 0.26066T – 0.000932949T2 + 0.0000217468T3
WHERE “T” is Over-the-top TOTAL INCHES
Two Circumference Equations (2003)
Up to 120 inches:
Weight = -3.94723 + 0.113638C + 0.01073C2 + 0.000159C3
Over 120 inches:
Weight = -487.925 + 10.19604C – 0.05769C2 + 0.000309C3
WHERE “C” is Circumference in INCHES.
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2/9/2006 9:32:17 AM
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| CliffWarren |
Pocatello ([email protected])
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Hey! Awesome! Two equations....!
I'm glad to see the "piecewise" (more than one equation) approach. I've been harping on this for some time. That is, don't sacrifice the accuracy of the smaller fruits as you put data in for the new larger fruits.
What would be cool is a piecewise equation for OTT, with perhaps 3 pieces:
an equation for 0 to 250 OTT inches an equation for 250 to 350 another equation for 350 and above
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2/9/2006 10:29:05 AM
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| GuenterStigert |
Oesterreich
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Thanks, Gordon. That´s what I´m looking for.
Guenter
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2/9/2006 6:05:54 PM
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| Total Posts: 9 |
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