require 'nyaplot'

df1 = Nyaplot::DataFrame.new({a:[1,2,3], b:[10,8,9]})

path = File.expand_path("../data/first.tab", __FILE__)
df2 = Nyaplot::DataFrame.from_csv(path, ' ')

df2.row(0)

df2.filter {|row| row[:SET1]!=0.0}