Titanicデータの確認

Titanicデータの確認.ipynb

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  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
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   "outputs": [],
   "source": [
    "# ライブラリのインポート\n",
    "import numpy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "# titanicデータを読み込む\n",
    "titanic = numpy.loadtxt('titanic.dat.txt', dtype='i8')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2201\n"
     ]
    }
   ],
   "source": [
    "# 人数を数える\n",
    "print(len(titanic))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "# １０人を抜き出す\n",
    "numpy.random.seed(64)\n",
    "titanic_10keys = numpy.random.choice(len(titanic), 10, replace=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1639  128  569  955 1136  394 1260 1325  429 1411]\n"
     ]
    }
   ],
   "source": [
    "# 抜き出した１０人の番号の確認\n",
    "print(titanic_10keys)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "ID,Class(等級)\n",
      "0,0\n",
      "1,1\n",
      "2,2\n",
      "3,3\n",
      "4,3\n",
      "5,2\n",
      "6,3\n",
      "7,0\n",
      "8,2\n",
      "9,0\n"
     ]
    }
   ],
   "source": [
    "# 1変数データの表示\n",
    "#  変数1: Class（乗船していた座席の等級）\n",
    "print('ID,Class(等級)')\n",
    "for (i, v) in enumerate(titanic[titanic_10keys, 0]):\n",
    "    print('{0},{1}'.format(i, v))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "ID,Class(等級),Age(大まかな年齢)\n",
      "0,0,1\n",
      "1,1,1\n",
      "2,2,1\n",
      "3,3,1\n",
      "4,3,1\n",
      "5,2,1\n",
      "6,3,0\n",
      "7,0,1\n",
      "8,2,1\n",
      "9,0,1\n"
     ]
    }
   ],
   "source": [
    "# 2変数データの表示\n",
    "#  変数1: Class（乗船していた座席の等級）\n",
    "#  変数2: Age(大まかな年齢)\n",
    "print('ID,Class(等級),Age(大まかな年齢)')\n",
    "for (i, v) in enumerate(titanic[titanic_10keys, 0:2]):\n",
    "    print('{0},{1},{2}'.format(i, v[0], v[1]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "ID,Class(等級),Age(大まかな年齢),Sex(性別)\n",
      "0,0,1,1\n",
      "1,1,1,1\n",
      "2,2,1,0\n",
      "3,3,1,1\n",
      "4,3,1,0\n",
      "5,2,1,1\n",
      "6,3,0,1\n",
      "7,0,1,1\n",
      "8,2,1,1\n",
      "9,0,1,1\n"
     ]
    }
   ],
   "source": [
    "# 3変数データの表示\n",
    "#  変数1: Class（乗船していた座席の等級）\n",
    "#  変数2: Age(大まかな年齢)\n",
    "#  変数3: Sex(性別)\n",
    "print('ID,Class(等級),Age(大まかな年齢),Sex(性別)')\n",
    "for (i, v) in enumerate(titanic[titanic_10keys, 0:3]):\n",
    "    print('{0},{1},{2},{3}'.format(i, v[0], v[1], v[2]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "ID,Class(等級),Age(大まかな年齢),Sex(性別),Survived(生存?)\n",
      "0,0,1,1,0\n",
      "1,1,1,1,0\n",
      "2,2,1,0,1\n",
      "3,3,1,1,0\n",
      "4,3,1,0,1\n",
      "5,2,1,1,0\n",
      "6,3,0,1,0\n",
      "7,0,1,1,1\n",
      "8,2,1,1,0\n",
      "9,0,1,1,1\n"
     ]
    }
   ],
   "source": [
    "# 4変数データの表示\n",
    "#  変数1: Class（乗船していた座席の等級）\n",
    "#  変数2: Age(大まかな年齢)\n",
    "#  変数3: Sex(性別)\n",
    "#  変数4: Survived(生存?)\n",
    "print('ID,Class(等級),Age(大まかな年齢),Sex(性別),Survived(生存?)')\n",
    "for (i, v) in enumerate(titanic[titanic_10keys, 0:4]):\n",
    "    print('{0},{1},{2},{3},{4}'.format(i, v[0], v[1], v[2], v[3]))"
   ]
  }
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