require 'daru/view'

Daru::View.plotting_library = :googlecharts

idx = Daru::Index.new ['City', '2010 Population',]
data_rows = [
['New York City, NY', 8175000],
        ['Los Angeles, CA', 3792000],
        ['Chicago, IL', 2695000],
        ['Houston, TX', 2099000],
        ['Philadelphia, PA', 1526000]
]
df_city_pop = Daru::DataFrame.rows(data_rows)
df_city_pop.vectors = idx
df_city_pop

bar_basic_options = {
  title: 'Population of Largest U.S. Cities',
  type: :bar,
}
bar_basic_chart = Daru::View::Plot.new(df_city_pop, bar_basic_options, chart_class: 'Charteditor')
bar_basic_chart.show_in_iruby