{
 "metadata": {
  "name": "99-generate-lots-of-birds"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "birdnames = \"\"\"\\\n",
      "Common Teal\n",
      "Long-tailed Duck\n",
      "Little Grebe\n",
      "Albatross\n",
      "Flamingo\n",
      "Heron\n",
      "Stork\n",
      "Shoebill\n",
      "Vulture\n",
      "Bald Eagle\"\"\".splitlines()\n",
      "\n",
      "states = \"\"\"Kentucky\n",
      "Missouri\n",
      "Kansas\n",
      "Maine\n",
      "Michigan\n",
      "New York\"\"\".splitlines()\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print states\n",
      "print birdnames"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "['Kentucky', 'Missouri', 'Kansas', 'Maine', 'Michigan', 'New York']\n",
        "['Common Teal', 'Long-tailed Duck', 'Little Grebe', 'Albatross', 'Flamingo', 'Heron', 'Stork', 'Shoebill', 'Vulture', 'Bald Eagle']\n"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import random, datetime\n",
      "def generate_random_day(year):\n",
      "    doy = int(random.gauss(200, 50))\n",
      "    doy = min(doy, 365)\n",
      "    doy = max(doy, 1)\n",
      "    datestr = \"%s %s\" % (doy, year)\n",
      "    date = datetime.datetime.strptime(datestr, \"%j %Y\")\n",
      "    new_date = date.strftime(\"%B %d\")\n",
      "    return new_date.lower()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "generate_random_day(2013)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "pyout",
       "prompt_number": 10,
       "text": [
        "'april 09'"
       ]
      }
     ],
     "prompt_number": 10
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def generate_random_observation():\n",
      "    bird = random.choice(birdnames).lower()\n",
      "    state = random.choice(states).lower()\n",
      "    day = generate_random_day(2013)\n",
      "    return (bird, state, day)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 17
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "bird, state, day = generate_random_observation()\n",
      "print bird + '/' + state + '/' + day"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "common teal/new york/august 18\n"
       ]
      }
     ],
     "prompt_number": 19
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import csv\n",
      "fp = file('long-birds.csv', 'w')\n",
      "w = csv.writer(fp)\n",
      "\n",
      "for i in range(10000):\n",
      "    row = generate_random_observation()\n",
      "    w.writerow(row)\n",
      "fp.close()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 28
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "list(open('long-birds.csv'))[:10]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "pyout",
       "prompt_number": 29,
       "text": [
        "['heron,michigan,april 24\\r\\n',\n",
        " 'shoebill,kentucky,july 02\\r\\n',\n",
        " 'vulture,new york,september 01\\r\\n',\n",
        " 'flamingo,missouri,may 28\\r\\n',\n",
        " 'common teal,maine,august 06\\r\\n',\n",
        " 'heron,maine,august 19\\r\\n',\n",
        " 'albatross,new york,july 13\\r\\n',\n",
        " 'albatross,missouri,june 20\\r\\n',\n",
        " 'heron,kansas,july 07\\r\\n',\n",
        " 'little grebe,maine,may 24\\r\\n']"
       ]
      }
     ],
     "prompt_number": 29
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "pwd"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "pyout",
       "prompt_number": 30,
       "text": [
        "u'/Users/t/dev/2013-swc-uw/notebooks'"
       ]
      }
     ],
     "prompt_number": 30
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}