app_r.rb

require "csv"
require_relative "lib/r"
require_relative "lib/cmd"

file    = CMD.get_input "Path to file: ", type: :file, default: "data/restaurant.arff"
headers = CMD.parse_headers file
rows    = CMD.parse file

column  = CMD.get_input "Run ZeroR for column index (1-#{rows.first.length}): ", type: :numeric, length: rows.first.length, default: rows.first.length
R.zero rows, column
R.one rows