svyttest

0th

Percentile

Design-based t-test

One-sample or two-sample t-test. This function is a wrapper for svymean in the one-sample case and for svyglm in the two-sample case. Degrees of freedom are degf(design)-1 for the one-sample test and degf(design)-2 for the two-sample case.

Keywords
htest, survey
Usage
svyttest(formula, design,  ...)
Arguments
formula

Formula, outcome~group for two-sample, outcome~0 or outcome~1 for one-sample

design

survey design object

for methods

Value

Object of class htest

See Also

t.test

Aliases
  • svyttest
  • confint.svyttest
Examples
# NOT RUN {
data(api)
dclus2<-svydesign(id=~dnum+snum, fpc=~fpc1+fpc2, data=apiclus2)
tt<-svyttest(enroll~comp.imp, dclus2)
tt
confint(tt, level=0.9)

svyttest(I(api00-api99)~0, dclus2)

# }
Documentation reproduced from package survey, version 3.37, License: GPL-2 | GPL-3

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