gem 'nyaplot', '0.1.5'
require 'nyaplot'

samples = Array.new(10).map.with_index{|d,i| 'cat'+i.to_s}
x=[];y=[];home=[]
10.times do
  x.push(5*rand)
  y.push(5*rand)
end
df = Nyaplot::DataFrame.new({x:x,y:y,name:samples})
df

plot = Nyaplot::Plot.new
plot.x_label("weight [kg]")
plot.y_label("height [m]")
sc = plot.add_with_df(df, :scatter, :x, :y)

plot.show

sc.tooltip_contents([:name])
plot.show

address = ['London', 'Kyoto', 'Los Angeles', 'Puretoria']
home = Array.new(10,'').map{|d| address.clone.sample}
df.home = home
df

sc.tooltip_contents([:name, :home])
plot.show

colors = Nyaplot::Colors.qual

sc.color(colors)
sc.fill_by(:home)
plot.show

sc.color(colors)
sc.shape_by(:home)
plot.show

path = File.expand_path("../data/first.tab", __FILE__)
df = Nyaplot::DataFrame.from_csv(path, sep="\t")

df.filter! {|row| row[:set1] != 0.0}
df

plot4=Nyaplot::Plot.new
plot4.add_with_df(df, :histogram, :set1)
plot4.configure do
  height(400)
  x_label('PNR')
  y_label('Frequency')
  filter({target:'x'})
  yrange([0,130])
end

plot5=Nyaplot::Plot.new
plot5.add_with_df(df, :bar, :mutation)
plot5.configure do
  height(400)
  x_label('Mutation types')
  y_label('Frequency')
  yrange([0,100])
end

frame = Nyaplot::Frame.new
frame.add(plot4)
frame.add(plot5)
frame.show