survey (version 4.4-2)

svykappa: Cohen's kappa for agreement

Description

Computes the unweighted kappa measure of agreement between two raters and the standard error. The measurements must both be factor variables in the survey design object.

Usage

svykappa(formula, design, ...)

Value

Object of class svystat

Arguments

formula

one-sided formula giving two measurements

design

survey design object

...

passed to svymean internally (such as return.replicates or influence)

See Also

svycontrast

Examples

Run this code
data(api)
dclus1<-svydesign(id=~dnum, weights=~pw, data=apiclus1, fpc=~fpc)
svykappa(~comp.imp+sch.wide, dclus1)

dclus1<-update(dclus1, stypecopy=stype)
svykappa(~stype+stypecopy,dclus1)


(kappas<-svyby(~comp.imp+sch.wide,~stype,design=dclus1, svykappa, covmat=TRUE))
svycontrast(kappas, quote(E/H))

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