[R-sig-phylo] Medusa error

2017-05-09 Thread Jacob B Landis
Dear All, I am trying to run Medusa on a large phylogeny with 8,000 tips. When I give the species richness values in a CSV file, I get the following error message shortly after the analysis reports the AICc threshold: Error in optimize(f = foo, interval = c(log(par[1]/2), log(maxVal))) :

[R-sig-phylo] MEDUSA error question

2015-07-29 Thread Benjamin Blanchard
I am attempting to run a MEDUSA analysis in geiger, but am running into a confusing issue. The analysis initially runs along fine, and estimates the number of rate shifts. But then when it comes to the end (following no more significant increases in the aicc score), it produces this error: Error