BIFIE.freq: Frequency Statistics

In BIFIEsurvey: Tools for Survey Statistics in Educational Assessment

Frequency Statistics

Description

Computes absolute and relative frequencies.

Usage

BIFIE.freq(BIFIEobj, vars, group=NULL, group_values=NULL, se=TRUE)

## S3 method for class 'BIFIE.freq'
summary(object,digits=3,...)

## S3 method for class 'BIFIE.freq'
coef(object,...)

## S3 method for class 'BIFIE.freq'
vcov(object,...)

Arguments

BIFIEobj	Object of class BIFIEdata
vars	Vector of variables for which statistics should be computed
group	Optional grouping variable(s)
group_values	Optional vector of grouping values. This can be omitted and grouping values will be determined automatically.
se	Optional logical indicating whether statistical inference based on replication should be employed.
object	Object of class BIFIE.freq
digits	Number of digits for rounding output
...	Further arguments to be passed

Value

A list with following entries

stat	Data frame with frequency statistics
output	Extensive output with all replicated statistics
...	More values

See Also

survey::svytable, intsvy::timss.table, Hmisc::wtd.table

Examples

#############################################################################
# EXAMPLE 1: Imputed TIMSS dataset
#############################################################################

data(data.timss1)
data(data.timssrep)

# create BIFIE.dat object
bdat <- BIFIEsurvey::BIFIE.data( data.list=data.timss1, wgt=data.timss1[[1]]$TOTWGT,
           wgtrep=data.timssrep[, -1 ] )

# Frequencies for three variables
res1 <- BIFIEsurvey::BIFIE.freq( bdat, vars=c("lang", "books", "migrant" )  )
summary(res1)

# Frequencies splitted by gender
res2 <- BIFIEsurvey::BIFIE.freq( bdat, vars=c("lang", "books", "migrant" ),
              group="female", group_values=0:1 )
summary(res2)

# Frequencies splitted by gender and likesc
res3 <- BIFIEsurvey::BIFIE.freq( bdat, vars=c("lang", "books", "migrant" ),
              group=c("likesc","female")  )
summary(res3)

BIFIEsurvey documentation built on May 29, 2024, 2:52 a.m.