intsvy (version 2.9)

timss.rho: Correlation matrix

Description

timss.rho produces a correlations matrix for observed variables (NOT for plausible values)

Usage

timss.rho(variables, by, data, 
export = FALSE, name = "output", folder = getwd())

Value

timss.rho returns a matrix including correlation and standard error values.

Arguments

variables

Data labels for the variables in the correlation matrix.

by

The label for the grouping variable, usually the countries (i.e., by="IDCNTRYL"), but could be any other categorical variable.

data

An R object, normally a data frame, containing the data from TIMSS.

export

A logical value. If TRUE, the output is exported to a file in comma-separated value format (.csv) that can be opened from LibreOffice or Excel.

name

The name of the exported file.

folder

The folder where the exported file is located.

See Also

pirls.rho, pirls.rho.pv, timss.rho.pv

Examples

if (FALSE) {
timss.rho(variables=c("BSMMAT01", "BSDGEDUP"), data=timss)
}