Re: [R-sig-phylo] ace() Warning message:, In sqrt(1/out$hessian) : NaNs produced

2017-05-18 Thread Juan Antonio Balbuena
Hi Emmanuel, Thank you so much for taking the pain to check this. Looking at my vector of frequencies (Pfreq[,2]) it is pretty clear that it is hard to believe that the trait variance conforms to BM. All the best Juan El 18/05/2017 a las

[R-sig-phylo] ace() Warning message:, In sqrt(1/out$hessian) : NaNs produced

2017-05-11 Thread Juan Antonio Balbuena
Hi all I am playing around with synthetic cophylogenetic data. In one example, which represents a very extreme case of high agreement between the host and parasite phylogenies (the data was generated with 51 cospeciation, 2 sorting and 1 duplication events), I get