Get the indexes names of a DFI object

Description

Method to get the indexes names of a DFI object

Usage

DFI.indexes(DFIobj)

Arguments

Value

A character vector containing the name of the indexed columns of the DFI object

Examples

### create a simple DFIobj
DF <- data.frame(Foo=c(3,5,7,1,5,8,7,10),
                 Bar=c("A","B","B","C","B","B","C","A"),
                 Baz=c(TRUE,FALSE),
                 stringsAsFactors=FALSE)
DFIobj <- DFI(DF, c("Foo","Bar")) # create a DFI from DF with indexes on "Foo" and "Bar" columns

### get the indexes names (returns c("Foo","Bar"))
DFI.indexes(DFIobj)