TSK: Trimmed Spearman-Karber method, as per Hamilton and EPA

In ecotoxicology: Methods for Ecotoxicology

Description

Returns the Trimmed Spearman-Karber (TSK) method, as per Hamilton and EPA

Usage

TSK(x, r, n, A = 0, conf = 0.95)

Arguments

x	numeric vector
r	numeric vector
n	numeric vector
A	numeric vector
conf	numeric vector

Value

mu=mu,gsd=gsd,left=left,right=right

Author(s)

Jose Gama

References

Hamilton,M.A.,Russo,R.L.,Thurston,R.V.,1977. Trimmed Spearman–Karber method for estimating median lethal concentrations. Environ. Sci. Tech. 11,714–719.

Examples

x<-c(15.54,20.47,27.92,35.98,55.52)
n1<-c(20,20,20,19,20)
r<-c(0,0,0,5.26,100)/100*n1
n<-c(20,20,20,19,20)
TSK(x,r,n)

Example output

$mu
[1] 43.89387

$gsd
       x 
1.017758 

$left
       x 
42.40538 

$right
      x 
45.4346 

ecotoxicology documentation built on May 2, 2019, 6:10 p.m.