opt_spastr {forestSAS} | R Documentation |
Optimal forest spatial structure indices.
Description
Optimal forest spatial structure indices.
Usage
opt_spastr(X_df,inter=100,pop=0.2,
smark=c("spe","storey","dbh","cw","x","y"),
xrange=c(0,100),yrange=c(0,100),
xwidth=5,ywidth=5,
buf.xwid = 5, buf.ywid = 5)
Arguments
X_df |
Forest community data (object of class "data.frame") |
inter |
Inter quanitity. |
pop |
Cutting intensity. |
smark |
Selected marks to compute forest spatial structure indices. |
buf.xwid |
The width of buffer zone in the x coordinates of data points. |
buf.ywid |
The width of buffer zone in the y coordinates of data points. |
xrange |
Range of X axes |
yrange |
Range of Y axes |
xwidth |
Length of buffer zone of X axes |
ywidth |
Length of buffer zone of Y axes |
Details
NULL
Value
NULL
Author(s)
Zongzheng Chai, chaizz@126.com
Examples
library(spatstat)
data(treecom_example)
head(treecom_example)
treecom_opt<-opt_spastr(X_df=treecom_example,inter=5,pop=0.1,
xrange=c(0,100),yrange=c(0,100),
xwidth=10,ywidth=10,
buf.xwid =10, buf.ywid = 10,
smark=c("spe","storey","dbh","cw","x","y"))
treecom_opt
[Package forestSAS version 2.0.4 Index]