[R-sig-eco] help radfit()
Manoeli Lupatini
mlupatini at gmail.com
Sat Nov 29 19:55:20 CET 2014
Dear all,
I am working with radfit() function in vegan with a df which contains a big
amount of zeros. When is not zero, I have numbers with comma, which
represent proportions. I am using the family Gamma. I got negative values
for some models. Below an example of the output:
Null Preemption Lognormal Zipf Mandelbrot
37 694.8004 -413.17581 -565.23622 492.945299 -482.93299
38 415.2763 -340.93024 -363.86510 469.338760 -379.28155
39 1221.0254 -310.94620 -1490.60959 1131.261212 -342.56346
40 1448.9174 -328.61790 -794.12383 761.840479 -439.40301
41 1007.8350 -376.34689 -493.21855 455.072273 -486.60574
Someone can explain if is a problema to get this negative values?
Thanks for your help,
Manoeli
--
Manoeli Lupatini
Eng. Agrônoma
Ms. em Ciência do Solo,
Doutoranda em Ciência do Solo
Programa de Pós-graduação em Ciência do Solo
Departamento de Solos, UFSM, Santa Maria
(55)81262295
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