search for: diversitycomp

Estimados, Muchas gracias por sua ayuda, ya pude instalar data.table y esta funcionando. Respecto al paquete biodiversityR, no se porque ahora no me corre. El script esta correcto, pero no se porque me tira error. > fase<-diversitycomp(biobsp, y=biopcat,factor1="Fase",index="richness",method=?s") Error in diversitycomp(biobsp, y = biopcat, factor1 = "Fase", index = "richness", : choose an accepted method, not method: s Gracias a ambos por su ayuda. Saludos, Luis El 15 feb. 201...

Gracias Carlos, ya intente instalar varias veces el paquete data.table, pero no se porque no lo puede instalar Aqui mando la salida: > install.packages("data.table") There is a binary version available but the source version is later: binary source needs_compilation data.table 1.10.0 1.10.4 TRUE Do you want to install from sources the package which

Dear List, today I turn to you with a next problem. I'm trying to compare species richness between various datasets (locations) using species accumulation curves (Chapter 4, page 54 in Tree diversity analysis<http://www.worldagroforestry.org/treesandmarkets/tree_diversity_analysis.asp>by Kindt & Coe). To accomplish this I'm using package BiodiversityR. My data is comprised of