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 [2]:
df =     Daru::DataFrame.new(
      {
        a: [1, 2, 3, 4, 5, 6],
        b: [1, 5, 2, 5, 1, 0],
        c: [1, 6, 7, 2, 6, 0]
      }, index: 'a'..'f'
    )
Out[2]:
Daru::DataFrame(6x3)
a b c
a 1 1 1
b 2 5 6
c 3 2 7
d 4 5 2
e 5 1 6
f 6 0 0
In [3]:
plt = Daru::View::Plot.new(df, type: :line, x: :a, y: :c)
Out[3]:
#<Daru::View::Plot:0x00000003ec4458 @data=#<Daru::DataFrame(6x3)>
       a   b   c
   a   1   1   1
   b   2   5   6
   c   3   2   7
   d   4   5   2
   e   5   1   6
   f   6   0   0, @options={:type=>:line, :x=>:a, :y=>:c}, @adapter=Daru::View::Adapter::NyaplotAdapter, @chart=#<Nyaplot::Plot:0x00000003ec42f0 @properties={:diagrams=>[#<Nyaplot::Diagram:0x00000003eae720 @properties={:type=>:line, :options=>{:x=>:a, :y=>:c}, :data=>"dd735a9c-1a93-440f-ab9f-db39f5e11f96"}, @xrange=[1, 6], @yrange=[0, 7]>], :options=>{}}>>
In [4]:
plt.show_in_iruby
In [5]:
Daru::View.plotting_library = :nyaplot
Out[5]:
:nyaplot
In [6]:
plt2 = Daru::View::Plot.new(df)
Out[6]:
#<Daru::View::Plot:0x00000003dd7d10 @data=#<Daru::DataFrame(6x3)>
       a   b   c
   a   1   1   1
   b   2   5   6
   c   3   2   7
   d   4   5   2
   e   5   1   6
   f   6   0   0, @options={}, @adapter=Daru::View::Adapter::NyaplotAdapter, @chart=#<Nyaplot::Plot:0x00000003dd7c20 @properties={:diagrams=>[], :options=>{}}>>
In [7]:
plt2.show_in_iruby
In [8]:
dv = Daru::Vector.new [1, 2, 3]
Out[8]:
Daru::Vector(3)
0 1
1 2
2 3
In [9]:
plt3 = Daru::View::Plot.new(dv)
Out[9]:
#<Daru::View::Plot:0x00000003ca2ad0 @data=#<Daru::Vector(3)>
   0   1
   1   2
   2   3, @options={}, @adapter=Daru::View::Adapter::NyaplotAdapter, @chart=#<Nyaplot::Plot:0x00000003ca2990 @properties={:diagrams=>[#<Nyaplot::Diagram:0x00000003ca1bd0 @properties={:type=>:scatter, :options=>{:x=>"data0", :y=>"data1"}, :data=>"56256933-852f-4161-9749-01d058a05cd0"}, @xrange=[0, 2], @yrange=[1, 3]>], :options=>{}}>>
In [10]:
plt3.show_in_iruby
In [11]:
plt3 = Daru::View::Plot.new(dv, type: :line)
Out[11]:
#<Daru::View::Plot:0x00000003c1c7f0 @data=#<Daru::Vector(3)>
   0   1
   1   2
   2   3, @options={:type=>:line}, @adapter=Daru::View::Adapter::NyaplotAdapter, @chart=#<Nyaplot::Plot:0x00000003c1c700 @properties={:diagrams=>[#<Nyaplot::Diagram:0x00000003c17c78 @properties={:type=>:line, :options=>{:x=>"data0", :y=>"data1"}, :data=>"dd9c528c-6fb4-44ef-abc9-0f9cabc53149"}, @xrange=[0, 2], @yrange=[1, 3]>], :options=>{}}>>
In [12]:
plt3.show_in_iruby