Description Usage Arguments Value Author(s) References Examples
The tree attribute mingling describes the species variety in the vicinity of a given reference tree and has been defined as the proportion of the n nearest neighbours that do not belong to the same species
1 | mingling(x)
|
x |
A vector composed by 5 tree species |
Result will retrun five values,0,0.25,0.5,0.75,1,which means the propertion of the same tree species with refercence tree in the 4 nearest neighbours
Zongzheng Chai, chaizz@126.com
Hui GY, Zhao X, Zhao Z, Gadow Kv. 2011. Evaluating tree species spatial diversity based on neighborhood relationships. Forest Sci 57:292-300
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | spname1<-c("sp1","sp1","sp1","sp1","sp1")
spname2<-c("sp1","sp1","sp1","sp1","sp2")
spname3<-c("sp1","sp1","sp1","sp3","sp2")
spname4<-c("sp1","sp1","sp4","sp3","sp2")
spname5<-c("sp1","sp5","sp4","sp3","sp2")
mingling1<-mingling(spname1)
mingling1
mingling2<-mingling(spname2)
mingling2
mingling3<-mingling(spname3)
mingling3
mingling4<-mingling(spname4)
mingling4
mingling5<-mingling(spname5)
mingling5
|
[1] 0
[1] 0.25
[1] 0.5
[1] 0.75
[1] 1
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