[R-sig-phylo] Error in fitDiscrete

2014-06-19 Thread Frenzke
Hi Nachiket, I had the same problem with fitDiscrete and solved it by recoding the character states 1 by 2, and 0 by 1. I have the impression that in the geiger package the value of 0 stands for missing data. However, you have to remove the rows with NA from your dataset before running

[R-sig-phylo] plotting arrows (or triangles) at nodes during ancestral state reconstruction

2014-06-19 Thread Agus Camacho
Dear list users, Im trying to use arrows or triangles to plot wether a trait increased or decreased its value during an ancestral state reconstruction. I think id need to condition pch and cex values to the magnitude and direction of differences between the trait to be plotted at the