[R] changing a matrix from class data.frame to class dist

David Winsemius
2009-10-15T16:27:30Z

On Oct 15, 2009, at 11:34 AM, Maxime Pauwels wrote:

> Dear,
>
> I have a data frame object (FSTc) which is in fact a matrix of class
> data.frame

Not sure that is possible (in R terminology anyway.). Dataframes are
lists.

> but created from a txt file using the command
> FSTc<-read.table("FSTcmatrix.txt", header=T)
>
> I would like to transform it in a distance matrix of class dist to
> use it with the ade4 package.
>
> I'm quite sure this is a simple operation but i just don't have the
> commands.

?dist

#which points to

?as.dist      # which is a coercion function

--

David Winsemius, MD
Heritage Laboratories
West Hartford, CT