{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"application/javascript": [
"if(window['d3'] === undefined ||\n",
" window['Nyaplot'] === undefined){\n",
" var path = {\"d3\":\"https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min\",\"downloadable\":\"https://cdn.rawgit.com/domitry/d3-downloadable/master/d3-downloadable\"};\n",
"\n",
"\n",
"\n",
" var shim = {\"d3\":{\"exports\":\"d3\"},\"downloadable\":{\"exports\":\"downloadable\"}};\n",
"\n",
" require.config({paths: path, shim:shim});\n",
"\n",
"\n",
"require(['d3'], function(d3){window['d3']=d3;console.log('finished loading d3');require(['downloadable'], function(downloadable){window['downloadable']=downloadable;console.log('finished loading downloadable');\n",
"\n",
"\tvar script = d3.select(\"head\")\n",
"\t .append(\"script\")\n",
"\t .attr(\"src\", \"https://cdn.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"
],
"text/plain": [
"\"if(window['d3'] === undefined ||\\n window['Nyaplot'] === undefined){\\n var path = {\\\"d3\\\":\\\"https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min\\\",\\\"downloadable\\\":\\\"https://cdn.rawgit.com/domitry/d3-downloadable/master/d3-downloadable\\\"};\\n\\n\\n\\n var shim = {\\\"d3\\\":{\\\"exports\\\":\\\"d3\\\"},\\\"downloadable\\\":{\\\"exports\\\":\\\"downloadable\\\"}};\\n\\n require.config({paths: path, shim:shim});\\n\\n\\nrequire(['d3'], function(d3){window['d3']=d3;console.log('finished loading d3');require(['downloadable'], function(downloadable){window['downloadable']=downloadable;console.log('finished loading downloadable');\\n\\n\\tvar script = d3.select(\\\"head\\\")\\n\\t .append(\\\"script\\\")\\n\\t .attr(\\\"src\\\", \\\"https://cdn.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\""
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/plain": [
"true"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"require '~/workspace/daru/lib/daru.rb'"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Categorical Vector Visualization"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
":category"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"dv = Daru::Vector.new ['III']*10 + ['II']*5 + ['I']*5, type: :category, categories: ['I', 'II', 'III']\n",
"dv.type"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Bar graph"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### 1. Frequency (count)"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:bar, :options=>{:x=>\"data0\", :y=>\"data1\"}, :data=>\"41b5e0de-6d64-4c48-8f5b-0b8f86156fde\"}, @xrange=[\"I\", \"II\", \"III\"], @yrange=[0, 10]>], :options=>{:x_label=>\"Categories\", :y_label=>\"Frequency\", :width=>700, :xrange=>[\"I\", \"II\", \"III\"], :yrange=>[0, 10]}}>], :data=>{\"41b5e0de-6d64-4c48-8f5b-0b8f86156fde\"=>#\"I\", :data1=>5}, {:data0=>\"II\", :data1=>5}, {:data0=>\"III\", :data1=>10}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"dv.plot(type: :bar) do |p, d|\n",
" p.x_label 'Categories'\n",
" p.y_label 'Frequency'\n",
"end"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### 2. Percentage"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:bar, :options=>{:x=>\"data0\", :y=>\"data1\"}, :data=>\"23a81301-3d6d-443f-a92a-eb381c761094\"}, @xrange=[\"I\", \"II\", \"III\"], @yrange=[0, 50.0]>], :options=>{:yrange=>[0, 100], :x_label=>\"Categories\", :y_label=>\"Percentage (%)\", :width=>700, :xrange=>[\"I\", \"II\", \"III\"]}}>], :data=>{\"23a81301-3d6d-443f-a92a-eb381c761094\"=>#\"I\", :data1=>25.0}, {:data0=>\"II\", :data1=>25.0}, {:data0=>\"III\", :data1=>50.0}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"dv.plot(type: :bar, method: :percentage) do |p, d|\n",
" p.x_label 'Categories'\n",
" p.y_label 'Percentage (%)'\n",
"end"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### 3. Fraction"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:bar, :options=>{:x=>\"data0\", :y=>\"data1\"}, :data=>\"c21d60da-c9dc-484d-a188-396ea9462142\"}, @xrange=[\"I\", \"II\", \"III\"], @yrange=[0, 0.5]>], :options=>{:yrange=>[0, 1], :x_label=>\"Categories\", :y_label=>\"Fraction\", :width=>700, :xrange=>[\"I\", \"II\", \"III\"]}}>], :data=>{\"c21d60da-c9dc-484d-a188-396ea9462142\"=>#\"I\", :data1=>0.25}, {:data0=>\"II\", :data1=>0.25}, {:data0=>\"III\", :data1=>0.5}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"dv.plot(type: :bar, method: :fraction) do |p, d|\n",
" p.x_label 'Categories'\n",
" p.y_label 'Fraction'\n",
"end"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Categorical data visualization in Dataframe"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Bar Graph"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
":category"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df = Daru::DataFrame.new({\n",
" a: [1, 2, 4, -2, 5, 23, 0],\n",
" b: [3, 1, 3, -6, 2, 1, 0],\n",
" c: ['I', 'II', 'I', 'III', 'I', 'III', 'II']\n",
" })\n",
"df.to_category :c\n",
"df[:c].type"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:bar, :options=>{:value=>:c}, :data=>\"2a8288b2-af59-4e04-b4c5-cb4dbdd9e29a\"}, @xrange=[\"I\", \"II\", \"III\"], @yrange=[0, 7]>], :options=>{:width=>700, :xrange=>[\"I\", \"II\", \"III\"], :yrange=>[0, 7]}}>], :data=>{\"2a8288b2-af59-4e04-b4c5-cb4dbdd9e29a\"=>#1, :b=>3, :c=>\"I\"}, {:a=>2, :b=>1, :c=>\"II\"}, {:a=>4, :b=>3, :c=>\"I\"}, {:a=>-2, :b=>-6, :c=>\"III\"}, {:a=>5, :b=>2, :c=>\"I\"}, {:a=>23, :b=>1, :c=>\"III\"}, {:a=>0, :b=>0, :c=>\"II\"}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot(type: :bar, x: :c)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Scatter plot categorized by categorical variable"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Plots can be categorized by\n",
"- Color\n",
"- Size\n",
"- Shape"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
":category"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df = Daru::DataFrame.new({\n",
" a: [1, 2, 4, -2, 5, 23, 0],\n",
" b: [3, 1, 3, -6, 2, 1, 0],\n",
" c: ['I', 'II', 'I', 'III', 'I', 'III', 'II']\n",
" })\n",
"df.to_category :c\n",
"df[:c].type"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Below are few examples"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {
"collapsed": false,
"scrolled": true
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"I\", :color=>\"rgb(179,226,205)\", :tooltip_contents=>[\"I\", \"I\", \"I\"]}, :data=>\"a5ee171d-6199-4413-aaf5-7fad7c506839\"}, @xrange=[1, 5], @yrange=[2, 3]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"II\", :color=>\"rgb(253,205,172)\", :tooltip_contents=>[\"II\", \"II\"]}, :data=>\"3d026663-dddc-4c35-9076-696d5fe3596f\"}, @xrange=[0, 2], @yrange=[0, 1]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"III\", :color=>\"rgb(203,213,232)\", :tooltip_contents=>[\"III\", \"III\"]}, :data=>\"41580b79-f4ab-4e0a-ba5a-d7aeeb24ecdd\"}, @xrange=[-2, 23], @yrange=[-6, 1]>], :options=>{:legend=>true, :xrange=>[-10, 10], :yrange=>[-10, 10], :zoom=>true, :width=>800}}>], :data=>{\"a5ee171d-6199-4413-aaf5-7fad7c506839\"=>#1, :b=>3}, {:a=>4, :b=>3}, {:a=>5, :b=>2}]>, \"3d026663-dddc-4c35-9076-696d5fe3596f\"=>#2, :b=>1}, {:a=>0, :b=>0}]>, \"41580b79-f4ab-4e0a-ba5a-d7aeeb24ecdd\"=>#-2, :b=>-6}, {:a=>23, :b=>1}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot(type: :scatter, x: :a, y: :b, categorized: {by: :c, method: :color}) do |p, d|\n",
" p.xrange [-10, 10]\n",
" p.yrange [-10, 10]\n",
"end"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"I\", :shape=>\"circle\", :tooltip_contents=>[\"I\", \"I\", \"I\"]}, :data=>\"f01ebd28-0bf9-4c49-aba4-2c6cc0e6f279\"}, @xrange=[1, 5], @yrange=[2, 3]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"II\", :shape=>\"triangle-up\", :tooltip_contents=>[\"II\", \"II\"]}, :data=>\"11b9c546-4b02-4ede-976e-53559f28d7a9\"}, @xrange=[0, 2], @yrange=[0, 1]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"III\", :shape=>\"diamond\", :tooltip_contents=>[\"III\", \"III\"]}, :data=>\"aa4fda41-bfc8-4269-8e85-1e537099a555\"}, @xrange=[-2, 23], @yrange=[-6, 1]>], :options=>{:legend=>true, :xrange=>[-10, 10], :yrange=>[-10, 10], :zoom=>true, :width=>800}}>], :data=>{\"f01ebd28-0bf9-4c49-aba4-2c6cc0e6f279\"=>#1, :b=>3}, {:a=>4, :b=>3}, {:a=>5, :b=>2}]>, \"11b9c546-4b02-4ede-976e-53559f28d7a9\"=>#2, :b=>1}, {:a=>0, :b=>0}]>, \"aa4fda41-bfc8-4269-8e85-1e537099a555\"=>#-2, :b=>-6}, {:a=>23, :b=>1}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot(type: :scatter, x: :a, y: :b, categorized: {by: :c, method: :shape}) do |p, d|\n",
" p.xrange [-10, 10]\n",
" p.yrange [-10, 10]\n",
"end"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"One can also specify custom colors, size and shape. For example:"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"I\", :color=>:red, :tooltip_contents=>[\"I\", \"I\", \"I\"]}, :data=>\"d75d5cd0-1060-49c4-acbe-add4fe8b0eb7\"}, @xrange=[1, 5], @yrange=[2, 3]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"II\", :color=>:blue, :tooltip_contents=>[\"II\", \"II\"]}, :data=>\"7385f28f-7e9a-4581-b40d-ae87146c2ce0\"}, @xrange=[0, 2], @yrange=[0, 1]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"III\", :color=>:green, :tooltip_contents=>[\"III\", \"III\"]}, :data=>\"c8ffffd3-d0a9-40b7-a27f-5e4d993910ad\"}, @xrange=[-2, 23], @yrange=[-6, 1]>], :options=>{:legend=>true, :xrange=>[-10, 10], :yrange=>[-10, 10], :zoom=>true, :width=>800}}>], :data=>{\"d75d5cd0-1060-49c4-acbe-add4fe8b0eb7\"=>#1, :b=>3}, {:a=>4, :b=>3}, {:a=>5, :b=>2}]>, \"7385f28f-7e9a-4581-b40d-ae87146c2ce0\"=>#2, :b=>1}, {:a=>0, :b=>0}]>, \"c8ffffd3-d0a9-40b7-a27f-5e4d993910ad\"=>#-2, :b=>-6}, {:a=>23, :b=>1}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot(type: :scatter, x: :a, y: :b, categorized: {by: :c, method: :color, color: [:red, :blue, :green]}) do |p, d|\n",
" p.xrange [-10, 10]\n",
" p.yrange [-10, 10]\n",
"end"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"I\", :size=>300, :tooltip_contents=>[\"I\", \"I\", \"I\"]}, :data=>\"365ceaf6-2520-4063-9060-93d50810e4d7\"}, @xrange=[1, 5], @yrange=[2, 3]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"II\", :size=>600, :tooltip_contents=>[\"II\", \"II\"]}, :data=>\"bff6fee3-7a63-4148-b680-13be0dd7c5ce\"}, @xrange=[0, 2], @yrange=[0, 1]>, #:scatter, :options=>{:x=>:a, :y=>:b, :title=>\"III\", :size=>900, :tooltip_contents=>[\"III\", \"III\"]}, :data=>\"5b8eaee6-0571-452f-ae84-0b8d31ef526b\"}, @xrange=[-2, 23], @yrange=[-6, 1]>], :options=>{:legend=>true, :xrange=>[-10, 10], :yrange=>[-10, 10], :zoom=>true, :width=>800}}>], :data=>{\"365ceaf6-2520-4063-9060-93d50810e4d7\"=>#1, :b=>3}, {:a=>4, :b=>3}, {:a=>5, :b=>2}]>, \"bff6fee3-7a63-4148-b680-13be0dd7c5ce\"=>#2, :b=>1}, {:a=>0, :b=>0}]>, \"5b8eaee6-0571-452f-ae84-0b8d31ef526b\"=>#-2, :b=>-6}, {:a=>23, :b=>1}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot(type: :scatter, x: :a, y: :b, categorized: {by: :c, method: :size, size: [300, 600, 900]}) do |p, d|\n",
" p.xrange [-10, 10]\n",
" p.yrange [-10, 10]\n",
"end"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Line plot categorized by categorical variable"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"It works similar to Scatter plot above and all options are same except that there's no categorization by **size** but instead there is categorization by **stroke_width** in line plots."
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
":category"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df = Daru::DataFrame.new({\n",
" a: [1, 2, 3, 4, 5, 6, 7, 8, 9],\n",
" b: [2, 4, 6, 1, 3, 5, 6, 4, 3],\n",
" c: ['I']*3 + ['II']*3 + ['III']*3\n",
" })\n",
"df.to_category :c\n",
"df[:c].type"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:line, :options=>{:x=>:a, :y=>:b, :title=>\"I\", :color=>\"rgb(179,226,205)\"}, :data=>\"58c6d56c-9383-406b-a556-6f72562c0995\"}, @xrange=[1, 3], @yrange=[2, 6]>, #:line, :options=>{:x=>:a, :y=>:b, :title=>\"II\", :color=>\"rgb(253,205,172)\"}, :data=>\"03c5fc57-9f64-4075-909a-8a26417b5e7e\"}, @xrange=[4, 6], @yrange=[1, 5]>, #:line, :options=>{:x=>:a, :y=>:b, :title=>\"III\", :color=>\"rgb(203,213,232)\"}, :data=>\"ef81c6dd-e95b-4a18-8226-1bfb0301e448\"}, @xrange=[7, 9], @yrange=[3, 6]>], :options=>{:legend=>true, :zoom=>true, :width=>800, :xrange=>[1, 9], :yrange=>[1, 6]}}>], :data=>{\"58c6d56c-9383-406b-a556-6f72562c0995\"=>#1, :b=>2}, {:a=>2, :b=>4}, {:a=>3, :b=>6}]>, \"03c5fc57-9f64-4075-909a-8a26417b5e7e\"=>#4, :b=>1}, {:a=>5, :b=>3}, {:a=>6, :b=>5}]>, \"ef81c6dd-e95b-4a18-8226-1bfb0301e448\"=>#7, :b=>6}, {:a=>8, :b=>4}, {:a=>9, :b=>3}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot type: :line, x: :a, y: :b, categorized: {by: :c, method: :color} do end"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n"
],
"text/plain": [
"#[#[#:line, :options=>{:x=>:a, :y=>:b, :title=>\"I\", :stroke_width=>2}, :data=>\"a2060ac5-73a0-4391-b907-3c8f97627222\"}, @xrange=[1, 3], @yrange=[2, 6]>, #:line, :options=>{:x=>:a, :y=>:b, :title=>\"II\", :stroke_width=>4}, :data=>\"2315e956-2857-45e0-9438-cf7041aa55f1\"}, @xrange=[4, 6], @yrange=[1, 5]>, #:line, :options=>{:x=>:a, :y=>:b, :title=>\"III\", :stroke_width=>6}, :data=>\"a98a9383-8a5e-4106-9e09-0047130b2265\"}, @xrange=[7, 9], @yrange=[3, 6]>], :options=>{:legend=>true, :xrange=>[-10, 10], :yrange=>[-10, 10], :zoom=>true, :width=>800}}>], :data=>{\"a2060ac5-73a0-4391-b907-3c8f97627222\"=>#1, :b=>2}, {:a=>2, :b=>4}, {:a=>3, :b=>6}]>, \"2315e956-2857-45e0-9438-cf7041aa55f1\"=>#4, :b=>1}, {:a=>5, :b=>3}, {:a=>6, :b=>5}]>, \"a98a9383-8a5e-4106-9e09-0047130b2265\"=>#7, :b=>6}, {:a=>8, :b=>4}, {:a=>9, :b=>3}]>}, :extension=>[]}>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"df.plot type: :line, x: :a, y: :b, categorized: {by: :c, method: :stroke_width} do |p, d|\n",
" p.xrange [-10, 10]\n",
" p.yrange [-10, 10] \n",
"end"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Ruby 2.3.0",
"language": "ruby",
"name": "ruby"
},
"language_info": {
"file_extension": ".rb",
"mimetype": "application/x-ruby",
"name": "ruby",
"version": "2.3.0"
}
},
"nbformat": 4,
"nbformat_minor": 0
}