sdm-help-list > Threshold information unavailable
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Jul 21, 2020  02:07 PM | florian7
Threshold information unavailable
Dear all,

I noticed that the threshold is a necessary variable of the sdm table. However, this information is not available in every study. Thus, I have to use an approximate number (e.g., t > 3.5) in this case. I would like to ask if the threshold would influence the results of the mean analysis?

Jul 24, 2020  06:07 AM | Lydia Fortea - Instituto de Investigaciones Biom├ędicas August Pi i Sunyer (IDIBAPS)
RE: Threshold information unavailable
Dear Florian, 

Choosing an appropiate threshold influences in the map estimation of SDM, which can be more or less conservative. A good approach to assess the threshold when is not specified, is to use a slighty smaller value than the t-value of the smallest peak in the study. Another approach is to set the threshold to NA, so the SDM will perform a conservative estimation.

Kinds regards,
Jul 24, 2020  07:07 AM | florian7
RE: Threshold information unavailable
Thanks Lydia! It is really helpful!