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Hello Everyone I am making my doctorate in biology at the University of Buenos Aires, Argentina. I am working on survival and dispersal of the south american fruit fly (Diptera: Tephritidae), a fruit pest mainly of citrics. To do so...
---------------------------- Original Message ---------------------------- Subject: Presentation and a "few" Questions (geoR) From: Mar?a Eugenia Utg?s <meutges at ege.fcen.uba.ar> Date: Wed, June 10, 2009 5:21 pm To: r-sig-geo at stat.math.ethz.ch -------------------------------------------------------------------------- Hello Everyone...
Hi R-list, We have constructed a hurdle model some time ago. Now we were able to gather new data in the same city (38 new sites), and want to do an external validation to see if the model still...
Hi Jeff, Yes, my question is more general perhaps Not about R programming, data exploration, or statistical theory. Just that in modelling texts external validation is set as "panacea" but "unreacheable", so they explain other methods as cross validation, bootstrapping...
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