svydbmean: Population Mean

In chrk623/svydb: Survey statistics in a database.

Description

Computes population mean from survey data sets.

Usage

svydbmean(x, num, design, return.mean = F,
  lonely.psu = getOption("svydb.lonely.psu"), ...)

Arguments

x	Name indicating the variable.
num	TRUE or FALSE indicating whether x is numeric or categorical.
design	svydb.design object.
return.mean	TRUE to return only means, no standard errors.

Author(s)

Charco Hui

See Also

svydbdesign, svydbtotal

Examples

data(nhane)
nh.dbsurv = svydbdesign(st = SDMVSTRA, wt = WTMEC2YR, id = SDMVPSU, data = nhane)
svydbmean(x = DirectChol, design = nh.dbsurv, num = T)
svydbmean(x = Race3, design = nh.dbsurv, num = F)
svydbmean(x = DirectChol, design = nh.dbsurv, num = T, return.mean = T)
coef(svydbmean(x = DirectChol, design = nh.dbsurv, num = T))
SE(svydbmean(x = DirectChol, design = nh.dbsurv, num = T))
# OR with a database connection
# library(MonetDBLite)
# library(DBI)
# library(dbplyr)
# con = dbConnect(MonetDBLite())
# dbWriteTable(con, "nhane", nhane)
# nhane.db = tbl(con, "nhane")
# nh.dbsurv = svydbdesign(st = SDMVSTRA, wt = WTMEC2YR, id = SDMVPSU, data = nhane.db)

chrk623/svydb documentation built on Oct. 6, 2019, 6:54 a.m.