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Dear colleagues. I wonder if anybody knows about a procedure in R to calculate the Berger-Parker index and the Brillouin Diversity index. I searched the net but did not find anything good about it. Thanks a lot for any help Mayo, Elvira. [[alternative HTML version deleted]]

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 =