grPipe.create {grPipe}

Create New Graphviz Data.Frame (grPipe Nodes)

Description

if nrow or ncol parameters are equal zero, then the output will be an empty data.frame.

Usage

grPipe.create(nrow = 0, ncol = 0)

Arguments

nrow

integer

ncol

integer

Value

Returns a data.frame with 3 columns (id, id_next and text) where:

• if nrow==0 or ncol==0, then return an empty data.frame;

• if nrow>0 and ncol>0, then return a data.frame with one row:

  • id = paste0(LETTERS[nrow], ncol)

  • id_next = NA

  • text = NA

Author(s)

Daniel Gaspar Gonçalves

Examples

nodes = grPipe.create()
nodes = grPipe.create(nrow = 2, ncol = 5)