gini: gini
In AMCOOK/bio.survey: Stratified Survey Analysis Tools for DFO Maritimes
gini R Documentation
gini
Description
gini index of patchniness from a stratified survey (Myers and Cadigan 1995)
Usage
gini(x, y)
Arguments
x
: within strata mean per tow
y
: strata areas in trawlable units
Value
estimate of gini
Author(s)
Adam Cook, Adam.Cook@dfo-mpo.gc.ca
Examples
y=c(2454, 656, 2374, 230, 1221, 619, 172, 2980, 360, 3245, 1016, 2569, 424, 390, 454)
x=c(0, 0, 0, 0, 0, 0.25, 1.81, 2.52, 2.6, 3.68, 7.58, 10.07, 13.33, 13.33, 24.99)
gini(x,y)
#0.453 same as example in http://www.nefsc.noaa.gov/publications/crd/pdfs/crd9605f.pdf
AMCOOK/bio.survey documentation built on June 12, 2022, 4:59 a.m.
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| gini | R Documentation |
gini
Description
gini index of patchniness from a stratified survey (Myers and Cadigan 1995)
Usage
gini(x, y)
Arguments
|
: within strata mean per tow |
|
: strata areas in trawlable units |
Value
estimate of gini
Author(s)
Adam Cook, Adam.Cook@dfo-mpo.gc.ca
Examples
y=c(2454, 656, 2374, 230, 1221, 619, 172, 2980, 360, 3245, 1016, 2569, 424, 390, 454) x=c(0, 0, 0, 0, 0, 0.25, 1.81, 2.52, 2.6, 3.68, 7.58, 10.07, 13.33, 13.33, 24.99) gini(x,y) #0.453 same as example in http://www.nefsc.noaa.gov/publications/crd/pdfs/crd9605f.pdf
R Package Documentation
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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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