getindexcat {GDAtools}

Names of the categories in a data frame

Description

Returns a vector of names corresponding the the categories in a data frame exclusively composed of categorical variables.

Usage

getindexcat(data)

Arguments

data

data frame of categorical variables

Details

This function may be useful prior to a specific MCA, to identify the indexes of the 'junk' categories to exclude.

Value

Returns a character vector with the names of the categories of the variables in the data frame

Author(s)

Nicolas Robette

See Also

ijunk, speMCA, csMCA

Examples

data(Music)
getindexcat(Music[,1:5])
mca <- speMCA(Music[,1:5], excl = c(3,6,9,12,15))