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R/int.chao.R
In fossil: Palaeoecological and Palaeogeographical Analysis Tools
Defines functions
`int.chao`
`int.chao` <-
function(x) {
so<-length(x[x>0])
s1<-length(x[x==1])
s2<-length(x[x==2])
if ((s1-s2)^2==(s1+s2)^2) return(so+s1*(s1-1)/((s2+1)*2))
else return(so+s1^2/(s2*2))
}
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fossil documentation built on March 23, 2020, 5:06 p.m.
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Defines functions `int.chao`
`int.chao` <-
function(x) {
so<-length(x[x>0])
s1<-length(x[x==1])
s2<-length(x[x==2])
if ((s1-s2)^2==(s1+s2)^2) return(so+s1*(s1-1)/((s2+1)*2))
else return(so+s1^2/(s2*2))
}
Try the fossil package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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