FromExcel.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
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    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "true"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "require 'daru'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<table><tr><th colspan=\"4\">Daru::DataFrame:24862284  rows: 6  cols: 3<tr><th></th><th>col0</th><th>col1</th><th>col2</th></tr><tr><td>one</td><td>1</td><td>11</td><td>a</td></tr><tr><td>two</td><td>2</td><td>22</td><td>b</td></tr><tr><td>three</td><td>3</td><td>33</td><td>c</td></tr><tr><td>four</td><td>4</td><td>44</td><td>d</td></tr><tr><td>five</td><td>5</td><td>55</td><td>e</td></tr><tr><td>six</td><td>6</td><td>66</td><td>f</td></tr></table>"
      ],
      "text/plain": [
       "\n",
       "#<Daru::DataFrame:24862284 @name = 18726c80-d34d-4e60-a6ee-098a5913bfc0 @size = 6>\n",
       "                 col0       col1       col2 \n",
       "       one          1         11          a \n",
       "       two          2         22          b \n",
       "     three          3         33          c \n",
       "      four          4         44          d \n",
       "      five          5         55          e \n",
       "       six          6         66          f \n"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df = Daru::DataFrame.new({\n",
    "  'col0' => [1,2,3,4,5,6],\n",
    "  'col2' => ['a','b','c','d','e','f'],\n",
    "  'col1' => [11,22,33,44,55,66]\n",
    "  }, \n",
    "  index: ['one', 'two', 'three', 'four', 'five', 'six'], \n",
    "  order: ['col0', 'col1', 'col2']\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "#<Daru::Index:0x2f6b470 @relation_hash={\"one\"=>0, \"two\"=>1, \"three\"=>2, \"four\"=>3, \"five\"=>4, \"six\"=>5}, @keys=[\"one\", \"two\", \"three\", \"four\", \"five\", \"six\"], @size=6>"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.index"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "df.write_excel('df.xls'); nil"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<table><tr><th colspan=\"4\">Daru::DataFrame:27133044  rows: 6  cols: 3<tr><th></th><th>col0</th><th>col1</th><th>col2</th></tr><tr><td>0</td><td>1</td><td>11</td><td>a</td></tr><tr><td>1</td><td>2</td><td>22</td><td>b</td></tr><tr><td>2</td><td>3</td><td>33</td><td>c</td></tr><tr><td>3</td><td>4</td><td>44</td><td>d</td></tr><tr><td>4</td><td>5</td><td>55</td><td>e</td></tr><tr><td>5</td><td>6</td><td>66</td><td>f</td></tr></table>"
      ],
      "text/plain": [
       "\n",
       "#<Daru::DataFrame:27133044 @name = d53dd3ef-1180-49a6-9755-91e307330d8f @size = 6>\n",
       "                 col0       col1       col2 \n",
       "         0          1         11          a \n",
       "         1          2         22          b \n",
       "         2          3         33          c \n",
       "         3          4         44          d \n",
       "         4          5         55          e \n",
       "         5          6         66          f \n"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df1 = Daru::DataFrame.from_excel('df.xls')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[\"one\", \"two\", \"three\", \"four\", \"five\", \"six\"]\n",
      "[0, 1, 2, 3, 4, 5]"
     ]
    }
   ],
   "source": [
    "# Index [\"one\", \"two\", \"three\", \"four\", \"five\", \"six\"] not stored in excel\n",
    "print df.index.to_a\n",
    "print \"\\n\"\n",
    "print df1.index.to_a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[\"col0\", \"col1\", \"col2\"]\n",
      "[:col0, :col1, :col2]"
     ]
    }
   ],
   "source": [
    "print df.row[0].index.to_a\n",
    "print \"\\n\"\n",
    "print df1.row[0].index.to_a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "#<Daru::Index:0x2f6b470 @relation_hash={\"one\"=>0, \"two\"=>1, \"three\"=>2, \"four\"=>3, \"five\"=>4, \"six\"=>5}, @keys=[\"one\", \"two\", \"three\", \"four\", \"five\", \"six\"], @size=6>"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.index"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "#<Daru::Index:0x33b7198 @relation_hash={0=>0, 1=>1, 2=>2, 3=>3, 4=>4, 5=>5}, @keys=[0, 1, 2, 3, 4, 5], @size=6>"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df1.index"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<table><tr><th colspan=\"2\">Daru::Vector:24860784  size: 6</th></tr><tr><th> </th><th>col0</th></tr><tr><td>one</td><td>1</td></tr><tr><td>two</td><td>2</td></tr><tr><td>three</td><td>3</td></tr><tr><td>four</td><td>4</td></tr><tr><td>five</td><td>5</td></tr><tr><td>six</td><td>6</td></tr></table>"
      ],
      "text/plain": [
       "\n",
       "#<Daru::Vector:24860784 @name = col0 @size = 6 >\n",
       "       col0\n",
       "  one     1\n",
       "  two     2\n",
       "three     3\n",
       " four     4\n",
       " five     5\n",
       "  six     6\n"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df['col0']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<table><tr><th colspan=\"2\">Daru::Vector:27113736  size: 6</th></tr><tr><th> </th><th>nil</th></tr><tr><td>0</td><td>1</td></tr><tr><td>1</td><td>2</td></tr><tr><td>2</td><td>3</td></tr><tr><td>3</td><td>4</td></tr><tr><td>4</td><td>5</td></tr><tr><td>5</td><td>6</td></tr></table>"
      ],
      "text/plain": [
       "\n",
       "#<Daru::Vector:27113736 @name = nil @size = 6 >\n",
       "    nil\n",
       "  0   1\n",
       "  1   2\n",
       "  2   3\n",
       "  3   4\n",
       "  4   5\n",
       "  5   6\n"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df1[:col0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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