tprTrees-class | R Documentation |
This class represents one or multiple trees by their biometric characteristics.
using indices i and j to subset
## S4 method for signature 'tprTrees,ANY,ANY,ANY'
x[i, j, ..., drop = FALSE]
## S4 method for signature 'tprTrees'
length(x)
## S4 method for signature 'tprTrees'
show(object)
x |
object of class 'tprTrees' |
i |
index i |
j |
index j |
... |
not currently used |
drop |
drop dimensions, defaults to FALSE |
object |
object of class 'tprTrees' |
blabla
a part of the original object
x[i
: subsetting for class 'tprTrees'
length(tprTrees)
: length function for class 'tprTrees'
show(tprTrees)
: length function for class 'tprTrees'
spp
species code of trees
Dm
list of measured diameters
Hm
list of heights of measured diameters
Ht
total height of trees
sHt
standard deviation of total tree height, defaults to 0 for exact height measurements without error
monotone
logical indicator about monotonicity of taper curve
tprTrees() # initialise object by constructor
(tmp <- tprTrees(spp=c(1L,3L), Dm=list(c(30, 28), c(40, 38)),
Hm=list(c(1.3, 5), c(1.3, 5)), Ht=c(30, 40)))
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