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\name{checkValidPhylo}
\alias{checkValidPhylo}
\title{Check the Structure of a "phylo" Object}
\description{
This function takes as single argument an object (phy), checks its
elements, and prints a diagnostic. All problems are printed with a
label: FATAL (will likely cause an error or a crash) or MODERATE (may
cause some problems).
This function is mainly intended for developers creating
\code{"phylo"} objects from scratch.
}
\usage{
checkValidPhylo(phy)
}
\arguments{
\item{phy}{an object of class \code{"phylo"}.}
}
\value{
NULL.
}
\author{Emmanuel Paradis}
\examples{
tr <- rtree(3)
checkValidPhylo(tr)
tr$edge[1] <- 0
checkValidPhylo(tr)
}
\keyword{manip}
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