Nothing
## It will return a list with 4data.frames
## (1) live trees
## (2) dead trees
## (3) harvested trees
sitree2dataframe <- function(tr.dt){
## just to make cran happy
i.height.dm <- tree.sp <- treeid <- plot.id <- NULL
if (!(is(tr.dt, 'trList') | is(tr.dt, 'trListDead'))) stop('the object is not of class trList')
if (is(tr.dt, 'trList')){
period.names <- names(tr.dt$data$dbh.mm)
dbh.mm <- data.table(tr.dt$data$dbh.mm)
dbh.mm[, treeid := tr.dt$data$treeid]
dbh.mm[, plot.id := tr.dt$data$plot.id]
dbh.mm[, tree.sp := tr.dt$data$tree.sp]
height.dm <- data.table(tr.dt$data$height.dm)
height.dm[, treeid := dbh.mm$treeid]
dbh.mm <- data.table::melt(dbh.mm ,
measure.vars = period.names,
variable.name = 'period',
value.name = "dbh.mm")
height.dm <- data.table::melt(height.dm ,
measure.vars = period.names,
variable.name = 'period',
value.name = "height.dm")
dbh.mm[height.dm, height.dm := i.height.dm, on =c('treeid', 'period')]
return(as.data.frame(dbh.mm))
}
if (is(tr.dt, 'trListDead')){ ## for dead and harvested
dead <- tr.dt$last.measurement
dead$tree.sp <- tr.dt$data$tree.sp
return(dead)
}
}
sitree2dataframe.all <- function(sitree.res){
list(
live = sitree2dataframe(sitree.res$live),
dead = sitree2dataframe(sitree.res$dead),
removed =sitree2dataframe(sitree.res$removed)
)
}
## dcast
## melt
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.