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"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Nyaplot Tutorial 4: Introduction of charts bundled with Nyaplot"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Various types of diagrams are bundled with Nyaplot, but the usage is not so different. This notebook introduce a part of them."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"require 'nyaplot'"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
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"metadata": {},
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"\"if(window['d3'] === undefined ||\\n window['Nyaplot'] === undefined){\\n var path = {\\\"d3\\\":\\\"http://d3js.org/d3.v3.min\\\"};\\n\\n\\n\\n var shim = {\\\"d3\\\":{\\\"exports\\\":\\\"d3\\\"}};\\n\\n require.config({paths: path, shim:shim});\\n\\n\\nrequire(['d3'], function(d3){window['d3']=d3;console.log('finished loading d3');\\n\\n\\tvar script = d3.select(\\\"head\\\")\\n\\t .append(\\\"script\\\")\\n\\t .attr(\\\"src\\\", \\\"https://rawgit.com/domitry/Nyaplotjs/master/release/nyaplot.js\\\")\\n\\t .attr(\\\"async\\\", true);\\n\\n\\tscript[0][0].onload = script[0][0].onreadystatechange = function(){\\n\\n\\n\\t var event = document.createEvent(\\\"HTMLEvents\\\");\\n\\t event.initEvent(\\\"load_nyaplot\\\",false,false);\\n\\t window.dispatchEvent(event);\\n\\t console.log('Finished loading Nyaplotjs');\\n\\n\\t};\\n\\n\\n});\\n}\\n\""
]
},
{
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"prompt_number": 1,
"text": [
"true"
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"prompt_number": 1
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{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Bar chart"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"plot = Nyaplot::Plot.new\n",
"plot.add(:bar, ['Persian', 'Maine Coon', 'American Shorthair'], [10,20,30])\n",
"plot.x_label(\"Species\")\n",
"plot.y_label(\"Number\")\n",
"plot.show"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"\n",
"\n"
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"output_type": "pyout",
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{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Line chart"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"x = []; y = []; theta = 0.6; a=1\n",
"while theta < 14*Math::PI do\n",
" x.push(a*Math::cos(theta)/theta)\n",
" y.push(a*Math::sin(theta)/theta)\n",
" theta += 0.1\n",
"end\n",
"plot1 = Nyaplot::Plot.new\n",
"plot1.add(:line, x, y)\n",
"plot1.show"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"\n",
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"output_type": "pyout",
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{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Scatter"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"sc_y=[]; line_x=sc_x=[]; line_y=[]; a=0.5; b=3; noise=1.5; x=0\n",
"rnd = Random.new\n",
"while x<10\n",
" line_x.push(x)\n",
" line_y.push(a*x+b)\n",
" sc_y.push(a*x+b+noise*(rnd.rand-0.5))\n",
" x=(x+0.5).round(1)\n",
"end\n",
"plot2 = Nyaplot::Plot.new\n",
"sc = plot2.add(:scatter, sc_x, sc_y)\n",
"line = plot2.add(:line, line_x, line_y)\n",
"sc.color('#000')\n",
"sc.title('point')\n",
"line.title('line')\n",
"plot2.legend(true)\n",
"plot2.show"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"\n",
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"output_type": "pyout",
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"text": [
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},
{
"cell_type": "code",
"collapsed": false,
"input": [
"sc.shape([\"triangle-up\"])\n",
"sc.color('#fff')\n",
"plot2.show"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"\n",
"\n"
],
"metadata": {},
"output_type": "pyout",
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{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Histogram"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"require 'distribution'\n",
"rng = Distribution::Normal.rng\n",
"arr = []\n",
"1000.times {arr.push(rng.call)}\n",
"plot3 = Nyaplot::Plot.new\n",
"plot3.add(:histogram, arr)\n",
"plot3.yrange([0,300])\n",
"plot3.show"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"\n",
"\n"
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"output_type": "pyout",
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{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Box plot"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"arr2 = arr.map{|val| val/0.8-2}\n",
"arr3 = arr.map{|val| val*1.1+0.3}\n",
"arr4 = arr.map{|val| val*1.3+0.3}\n",
"\"\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"metadata": {},
"output_type": "pyout",
"prompt_number": 16,
"text": [
"\"\""
]
}
],
"prompt_number": 16
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"plot4 = Nyaplot::Plot.new\n",
"plot4.add(:box, arr, arr2, arr3, arr4)\n",
"plot4.show"
],
"language": "python",
"metadata": {},
"outputs": [
{
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{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"2D Histogram"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"x=[]; y=[]; fill=[]\n",
"-5.step(5, 0.2) do |i|\n",
" -5.step(5, 0.2) do |j|\n",
" x.push(i)\n",
" y.push(j)\n",
" val = Math.sin(Math.sqrt(i*i+j*j))/Math.sqrt(i*i+j*j)\n",
" fill.push((val.nan? ? 0 : val))\n",
" end\n",
"end\n",
"\n",
"plot5 = Nyaplot::Plot.new\n",
"hm = plot5.add(:heatmap, x, y, fill)\n",
"hm.stroke_color(\"#fff\")\n",
"hm.stroke_width(\"0\")\n",
"hm.width(0.2)\n",
"hm.height(0.2)\n",
"plot5.legend(true)\n",
"plot5.show"
],
"language": "python",
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"outputs": [
{
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