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Hi All, I am performing estimation for Ni as a penalty
element to our main ore, using nested spherical correlogram models. One of
these shows abundant and robust experimental data reaching a plateau at gamma =
0.90, and is thus modelled in such a way that the sill of this spherical model is
at 0.9, instead of at 1.00. I’m not sure of this, but is there a strict
requirement that the sill differentials and nugget need to sum to 1.00 for
estimation purposes. I use Vulcan (effectively GSLIB) for estimation. If it is
a requirement that they add to 1.00, it has been suggested that I could scale
the nugget and sill to a value of 1, but I’m not sure exactly how to do
this. Does anyone have any comments and/or suggestions? Regards, Colin **************************************************************************************************************** This e-mail and its attachments, is confidential and is intended for the addressee(s) only. If you are not the intended recipient, disclosure, distribution or any action taken in reliance on it is prohibited and may be unlawful. Please note that any information expressed in this message or its attachments is not given or endorsed by Lisheen Mine unless otherwise indicated by an authorised representative independently of this message. Lisheen Mine does not accept responsibility for the contents of this message and although it has been scanned for viruses Lisheen Mine will not accept responsibility for any damage caused as a result of a virus being passed on. ***************************************************************************************************************** |
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