Hello everyone,
I am encountering an error while using the make.simmap() function from the
package phytools.
I am getting the following error message when executing the code:
> mtree <- make.simmap(tree, trait, model = "ER")
Error in 1:nrow(L) : argument of length 0
Data information:
* The tree object is obtained from a phylogenetic tree file (class "phylo")
* The trait object is derived from the dataframe. (class "numeric").
* It is important to note that the species in the dataframe and the tip
labels of the phylogeny match and are in the same order.
* The phylogenetic tree used in the analysis contains 1765 tips.
Package and version:
* R version: [R version 4.1.0 (2021-05-18)]
* phytools package version: [ ‘0.7.90’ ]
Desired outcome: My goal is to simulate character data using the make.simmap()
function based on the tree and trait objects, using the "ER" model.
If anyone has any thoughts or advice, I would appreciate it.
Thanks a lot!
Cheers,
Rachel
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