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R/simpson.R
In fossil: Palaeoecological and Palaeogeographical Analysis Tools
Defines functions
`simpson`
`simpson` <-
function(x,y)
{
ai<-(y[y>0]-x[y>0])!=y[y>0]
a<-length(ai[ai==TRUE])
if (a!= 0) {
b <- length(x[x > 0])
c <- length(y[y > 0])
simp <- a/min(b, c)
}
else simp <- 0
return(simp)
}
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fossil documentation built on March 23, 2020, 5:06 p.m.
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Defines functions `simpson`
`simpson` <-
function(x,y)
{
ai<-(y[y>0]-x[y>0])!=y[y>0]
a<-length(ai[ai==TRUE])
if (a!= 0) {
b <- length(x[x > 0])
c <- length(y[y > 0])
simp <- a/min(b, c)
}
else simp <- 0
return(simp)
}
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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