% Generated by roxygen2: do not edit by hand

 % Please edit documentation in R/paml.R
 \name{mask}
 \alias{mask}
 \title{mask}
 \usage{
 mask(tree_object, field, site, mask_site = FALSE)
 }
 \arguments{
 \item{tree_object}{tree object}
 
 \item{field}{selected field}
 
 \item{site}{site}
 
 \item{mask_site}{if TRUE, site will be masked.
 if FALSE, selected site will not be masked, while other sites will be masked.}
 }
 \value{
 updated tree object
 }
 \description{
 site mask
 }
 \author{
 Guangchuang Yu
 }