svyquantile.sqlsurvey {surveyNG}R Documentation

Probability-weighted quantiles

Description

Estimates quantiles from data in a sqlsurvey object.

Usage

svyquantile.sqlsurvey(x, design, quantiles, build.index = FALSE, ...)

Arguments

x Model formula specifying variables
design sqlsurvey object
quantiles Quantiles to be estimated
build.index Build a temporary index (may increase speed)
... For future expansion

Details

Currently this function does not compute confidence intervals, and requires quantiles to be a single number. Both limitations will be relaxed in future versions.

Value

A vector of quantiles.

See Also

sqlsurvey

Examples

sqclus1<-sqlsurvey(id="dnum", fpc="fpc", weights="pw", strata="fpc",
   data=system.file("apiclus1.db",package="surveyNG"),
   table.name="clus1", key="snum")

sqclus1
svyquantile(~api99+api00, design=sqclus1, quantiles=0.5)
close(sqclus1)


[Package surveyNG version 0.3 Index]