In [1]:
require 'daru/view'
Install the spreadsheet gem version ~>1.1.1 for using spreadsheet functions.

Install the mechanize gem version ~>2.7.5 for using mechanize functions.
Out[1]:
true
In [9]:
Daru::View.plotting_library = :googlecharts
Out[9]:
:googlecharts

Region GeoCharts

In [10]:
country_population = [
          ['Germany', 200],
          ['United States', 300],
          ['Brazil', 400],
          ['Canada', 500],
          ['France', 600],
          ['RU', 700]
]

df_cp = Daru::DataFrame.rows(country_population)
df_cp.vectors = Daru::Index.new(['Country', 'Population'])
geo_table = Daru::View::Table.new(df_cp, pageSize: 5, adapter: :googlecharts, height: 200, width: 200)
geochart = Daru::View::Plot.new(
    geo_table.table, type: :geo, adapter: :googlecharts, height: 500, width: 800)
geochart.show_in_iruby
Out[10]:

Marker GeoCharts

In [14]:
idx = Daru::Index.new ['City',   'Population', 'Area']
data_rows = [['Rome',      2761477,    1285.31],
        ['Milan',     1324110,    181.76],
        ['Naples',    959574,     117.27],
        ['Turin',     907563,     130.17],
        ['Palermo',   655875,     158.9],
        ['Genoa',     607906,     243.60],
        ['Bologna',   380181,     140.7],
        ['Florence',  371282,     102.41],
        ['Fiumicino', 67370,      213.44],
        ['Anzio',     52192,      43.43],
        ['Ciampino',  38262,      11]
      ]
df_city_pop_area = Daru::DataFrame.rows(data_rows)
df_city_pop_area.vectors = idx
df_city_pop_area
Out[14]:
Daru::DataFrame(11x3)
City Population Area
0 Rome 2761477 1285.31
1 Milan 1324110 181.76
2 Naples 959574 117.27
3 Turin 907563 130.17
4 Palermo 655875 158.9
5 Genoa 607906 243.6
6 Bologna 380181 140.7
7 Florence 371282 102.41
8 Fiumicino 67370 213.44
9 Anzio 52192 43.43
10 Ciampino 38262 11
In [32]:
geo_marker_table = Daru::View::Table.new(df_city_pop_area, pageSize: 5, height: 200, width: 200)
geo_marker_options = {
        region: 'IT',
# FixMe : DisplayMode is not working
#         displayMode: 'markers',
#         displayMode: 'text',
        colorAxis: {colors: ['green', 'blue']},
        type: :geo
      }
geomarker_chart = Daru::View::Plot.new(
    geo_marker_table.table, geo_marker_options)
geomarker_chart.show_in_iruby
Out[32]:
In [41]:
idx = Daru::Index.new ['Country',   'Latitude']
data_rows = [['Algeria', 36], ['Angola', -8], ['Benin', 6], ['Botswana', -24],
          ['Burkina Faso', 12], ['Burundi', -3], ['Cameroon', 3],
          ['Canary Islands', 28], ['Cape Verde', 15],
          ['Central African Republic', 4], ['Ceuta', 35], ['Chad', 12],
          ['Comoros', -12], ['Cote d\'Ivoire', 6],
          ['Democratic Republic of the Congo', -3], ['Djibouti', 12],
          ['Egypt', 26], ['Equatorial Guinea', 3], ['Eritrea', 15],
          ['Ethiopia', 9], ['Gabon', 0], ['Gambia', 13], ['Ghana', 5],
          ['Guinea', 10], ['Guinea-Bissau', 12], ['Kenya', -1],
          ['Lesotho', -29], ['Liberia', 6], ['Libya', 32], ['Madagascar', nil],
          ['Madeira', 33], ['Malawi', -14], ['Mali', 12], ['Mauritania', 18],
          ['Mauritius', -20], ['Mayotte', -13], ['Melilla', 35],
          ['Morocco', 32], ['Mozambique', -25], ['Namibia', -22],
          ['Niger', 14], ['Nigeria', 8], ['Republic of the Congo', -1],
          ['Réunion', -21], ['Rwanda', -2], ['Saint Helena', -16],
          ['São Tomé and Principe', 0], ['Senegal', 15],
          ['Seychelles', -5], ['Sierra Leone', 8], ['Somalia', 2],
          ['Sudan', 15], ['South Africa', -30], ['South Sudan', 5],
          ['Swaziland', -26], ['Tanzania', -6], ['Togo', 6], ['Tunisia', 34],
          ['Uganda', 1], ['Western Sahara', 25], ['Zambia', -15],
          ['Zimbabwe', -18]
        ]
df_country_latitude = Daru::DataFrame.rows(data_rows)
df_country_latitude.vectors = idx
df_country_latitude

geo_color_table = Daru::View::Table.new(df_country_latitude, pageSize: 5, height: 350, width: 350)
geo_color_table.table
Out[41]:
In [42]:
geo_color_options = {
          region: '002', # Africa
          colorAxis: {colors: ['#00853f', 'black', '#e31b23']},
          backgroundColor: '#81d4fa',
          datalessRegionColor: '#f8bbd0',
          defaultColor: '#f5f5f5',
          type: :geo
      }
geocolor_chart = Daru::View::Plot.new(
    geo_color_table.table, geo_color_options)
geocolor_chart.show_in_iruby
Out[42]: