{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "#----------------------------------------------------------------------\n",
    "# Try to slice by using != factor_level\n",
    "#----------------------------------------------------------------------"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "import h2o"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div style=\"overflow:auto\"><table style=\"width:50%\"><tr><td>H2O cluster uptime: </td>\n",
       "<td>14 minutes 30 seconds 918 milliseconds </td></tr>\n",
       "<tr><td>H2O cluster version: </td>\n",
       "<td>3.5.0.99999</td></tr>\n",
       "<tr><td>H2O cluster name: </td>\n",
       "<td>ece</td></tr>\n",
       "<tr><td>H2O cluster total nodes: </td>\n",
       "<td>1</td></tr>\n",
       "<tr><td>H2O cluster total memory: </td>\n",
       "<td>10.67 GB</td></tr>\n",
       "<tr><td>H2O cluster total cores: </td>\n",
       "<td>8</td></tr>\n",
       "<tr><td>H2O cluster allowed cores: </td>\n",
       "<td>8</td></tr>\n",
       "<tr><td>H2O cluster healthy: </td>\n",
       "<td>True</td></tr>\n",
       "<tr><td>H2O Connection ip: </td>\n",
       "<td>127.0.0.1</td></tr>\n",
       "<tr><td>H2O Connection port: </td>\n",
       "<td>54321</td></tr></table></div>"
      ],
      "text/plain": [
       "--------------------------  --------------------------------------\n",
       "H2O cluster uptime:         14 minutes 30 seconds 918 milliseconds\n",
       "H2O cluster version:        3.5.0.99999\n",
       "H2O cluster name:           ece\n",
       "H2O cluster total nodes:    1\n",
       "H2O cluster total memory:   10.67 GB\n",
       "H2O cluster total cores:    8\n",
       "H2O cluster allowed cores:  8\n",
       "H2O cluster healthy:        True\n",
       "H2O Connection ip:          127.0.0.1\n",
       "H2O Connection port:        54321\n",
       "--------------------------  --------------------------------------"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "h2o.init()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "Parse Progress: [##################################################] 100%\n",
      "Imported /Users/ece/0xdata/h2o-dev/smalldata/airlines/allyears2k_headers.zip. Parsed 43,978 rows and 31 cols\n"
     ]
    }
   ],
   "source": [
    "from h2o.utils.shared_utils import _locate # private function. used to find files within h2o git project directory.\n",
    "\n",
    "air = h2o.import_file(path=_locate(\"smalldata/airlines/allyears2k_headers.zip\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[43978, 31]\n"
     ]
    }
   ],
   "source": [
    "rows, cols = air.dim\n",
    "print([rows, cols])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "no_rows: 42434\n",
      "yes_rows: 1544\n",
      "no_cols: 31\n",
      "yes_cols: 31\n"
     ]
    }
   ],
   "source": [
    "#\n",
    "# Select all flights not departing from SFO\n",
    "#\n",
    "not_sfo = air[air[\"Origin\"] != \"SFO\"]\n",
    "sfo = air[air[\"Origin\"] == \"SFO\"]\n",
    "no_rows, no_cols = not_sfo.dim\n",
    "yes_rows, yes_cols = sfo.dim\n",
    "print(\"no_rows: {0}\".format(no_rows))\n",
    "print(\"yes_rows: {0}\".format(yes_rows))\n",
    "print(\"no_cols: {0}\".format(no_cols))\n",
    "print(\"yes_cols: {0}\".format(yes_cols))"
   ]
  }
 ],
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