existsBackgroundVariables: Internally needed function for consistency checks and data...

In eatTools: Miscellaneous Functions for the Analysis of Educational Assessments

Internally needed function for consistency checks and data preparation.

Description

Function is necessary for eatRep and eatModel as well and therefore exported to namespace.

Usage

existsBackgroundVariables (dat, variable, warnIfMissing = FALSE,
     stopIfMissingOnVars = NULL)

Arguments

dat	A data frame
variable	column number or variable name
warnIfMissing	Logical: gives a warning if the variable contains missing values
stopIfMissingOnVars	Character vector of variable names. Only for these variables, warnings as raised through warnIfMissing = TRUE are turned into errors.

Value

a structured list of variable names

Examples

data(mtcars)
existsBackgroundVariables(mtcars, 2:4)

eatTools documentation built on Nov. 23, 2023, 5:06 p.m.