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Mon Feb 21 17:26:18 CET 2011

lance of 0.1.  Is that correct?  I just want to be sure that there is no we=
ighting of absence records (e.g. weighting to simulate a prevalence of 0.5)=

Thank you,

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I see in the &quot;Presentation Manual for BIOMOD&quot; (page 18) the follo=
wing statement: &quot;In all procedures, BIOMOD ensures that the prevalence=
 of the original data is conserved in the calibration and evaluation datase=
I have 304 presence records and am running my pseudoabsence pulls with 3040=
 absences (a prevalence of 0.1).&nbsp; The number of pixels in my study are=
a is 6808.<br>

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