diff --git a/pandas/pandas.ipynb b/pandas/pandas.ipynb
index 2f0f8a5..47c53dd 100644
--- a/pandas/pandas.ipynb
+++ b/pandas/pandas.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:1d555e34f97d4a24383bba48a1c34b1526e08e18276d519d2c8afaf3ff0550f4"
+  "signature": "sha256:c354a8841cc70bd62479cc5ca49e30ec7138276bbd5c4b7cccfa0c622c5f0428"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -15,7 +15,8 @@
       "# Pandas\n",
       "\n",
       "* Series\n",
-      "* DataFrame"
+      "* DataFrame\n",
+      "* Reindexing"
      ]
     },
     {
@@ -1516,7 +1517,7 @@
        ],
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 37,
+       "prompt_number": 33,
        "text": [
         "       MD   VA\n",
         "year          \n",
@@ -1527,7 +1528,7 @@
        ]
       }
      ],
-     "prompt_number": 37
+     "prompt_number": 33
     },
     {
      "cell_type": "markdown",
@@ -1580,7 +1581,7 @@
        ],
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 38,
+       "prompt_number": 34,
        "text": [
         "state   MD   VA\n",
         "year           \n",
@@ -1591,7 +1592,7 @@
        ]
       }
      ],
-     "prompt_number": 38
+     "prompt_number": 34
     },
     {
      "cell_type": "markdown",
@@ -1612,14 +1613,14 @@
       {
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 39,
+       "prompt_number": 35,
        "text": [
         "array([[ nan,  5.2],\n",
         "       [ 4.1,  nan]])"
        ]
       }
      ],
-     "prompt_number": 39
+     "prompt_number": 35
     },
     {
      "cell_type": "markdown",
@@ -1640,7 +1641,7 @@
       {
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 41,
+       "prompt_number": 36,
        "text": [
         "array([[2012, 'VA', 5.0, nan],\n",
         "       [2013, 'VA', 5.1, nan],\n",
@@ -1650,7 +1651,595 @@
        ]
       }
      ],
+     "prompt_number": 36
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "## Reindexing"
+     ]
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Create a new object with the data conformed to a new index.  Any missing values are set to NaN."
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "frame_3"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "html": [
+        "<div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+        "<table border=\"1\" class=\"dataframe\">\n",
+        "  <thead>\n",
+        "    <tr style=\"text-align: right;\">\n",
+        "      <th></th>\n",
+        "      <th>year</th>\n",
+        "      <th>state</th>\n",
+        "      <th>pop</th>\n",
+        "      <th>unempl</th>\n",
+        "    </tr>\n",
+        "  </thead>\n",
+        "  <tbody>\n",
+        "    <tr>\n",
+        "      <th>0</th>\n",
+        "      <td> 2012</td>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.0</td>\n",
+        "      <td> NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>1</th>\n",
+        "      <td> 2013</td>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.1</td>\n",
+        "      <td> NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>2</th>\n",
+        "      <td> 2014</td>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.2</td>\n",
+        "      <td> 6.0</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>3</th>\n",
+        "      <td> 2014</td>\n",
+        "      <td> MD</td>\n",
+        "      <td> 4.0</td>\n",
+        "      <td> 6.0</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>4</th>\n",
+        "      <td> 2015</td>\n",
+        "      <td> MD</td>\n",
+        "      <td> 4.1</td>\n",
+        "      <td> 6.1</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>5 rows \u00d7 4 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 37,
+       "text": [
+        "   year state  pop  unempl\n",
+        "0  2012    VA  5.0     NaN\n",
+        "1  2013    VA  5.1     NaN\n",
+        "2  2014    VA  5.2     6.0\n",
+        "3  2014    MD  4.0     6.0\n",
+        "4  2015    MD  4.1     6.1\n",
+        "\n",
+        "[5 rows x 4 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 37
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Reindexing rows returns a new frame with the specified index:"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "frame_3.reindex(list(reversed(range(0, 6))))"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "html": [
+        "<div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+        "<table border=\"1\" class=\"dataframe\">\n",
+        "  <thead>\n",
+        "    <tr style=\"text-align: right;\">\n",
+        "      <th></th>\n",
+        "      <th>year</th>\n",
+        "      <th>state</th>\n",
+        "      <th>pop</th>\n",
+        "      <th>unempl</th>\n",
+        "    </tr>\n",
+        "  </thead>\n",
+        "  <tbody>\n",
+        "    <tr>\n",
+        "      <th>5</th>\n",
+        "      <td>  NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>4</th>\n",
+        "      <td> 2015</td>\n",
+        "      <td>  MD</td>\n",
+        "      <td> 4.1</td>\n",
+        "      <td> 6.1</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>3</th>\n",
+        "      <td> 2014</td>\n",
+        "      <td>  MD</td>\n",
+        "      <td> 4.0</td>\n",
+        "      <td> 6.0</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>2</th>\n",
+        "      <td> 2014</td>\n",
+        "      <td>  VA</td>\n",
+        "      <td> 5.2</td>\n",
+        "      <td> 6.0</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>1</th>\n",
+        "      <td> 2013</td>\n",
+        "      <td>  VA</td>\n",
+        "      <td> 5.1</td>\n",
+        "      <td> NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>0</th>\n",
+        "      <td> 2012</td>\n",
+        "      <td>  VA</td>\n",
+        "      <td> 5.0</td>\n",
+        "      <td> NaN</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>6 rows \u00d7 4 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 38,
+       "text": [
+        "   year state  pop  unempl\n",
+        "5   NaN   NaN  NaN     NaN\n",
+        "4  2015    MD  4.1     6.1\n",
+        "3  2014    MD  4.0     6.0\n",
+        "2  2014    VA  5.2     6.0\n",
+        "1  2013    VA  5.1     NaN\n",
+        "0  2012    VA  5.0     NaN\n",
+        "\n",
+        "[6 rows x 4 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 38
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Missing values can be set to something other than NaN:"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "frame_3.reindex(range(6, 0), fill_value=0)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "html": [
+        "<div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+        "<table border=\"1\" class=\"dataframe\">\n",
+        "  <tbody>\n",
+        "    <tr>\n",
+        "      <td>Index([], dtype='object')</td>\n",
+        "      <td>Empty DataFrame</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>0 rows \u00d7 4 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 39,
+       "text": [
+        "Empty DataFrame\n",
+        "Columns: [year, state, pop, unempl]\n",
+        "Index: []\n",
+        "\n",
+        "[0 rows x 4 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 39
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Interpolate ordered data like a time series:"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "ser_5 = Series(['foo', 'bar', 'baz'], index=[0, 2, 4])"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [],
+     "prompt_number": 40
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "ser_5.reindex(range(5), method='ffill')"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 41,
+       "text": [
+        "0    foo\n",
+        "1    foo\n",
+        "2    bar\n",
+        "3    bar\n",
+        "4    baz\n",
+        "dtype: object"
+       ]
+      }
+     ],
      "prompt_number": 41
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "ser_5.reindex(range(5), method='bfill')"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 42,
+       "text": [
+        "0    foo\n",
+        "1    bar\n",
+        "2    bar\n",
+        "3    baz\n",
+        "4    baz\n",
+        "dtype: object"
+       ]
+      }
+     ],
+     "prompt_number": 42
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Reindex columns:"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "frame_3.reindex(columns=['state', 'pop', 'unempl', 'year'])"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "html": [
+        "<div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+        "<table border=\"1\" class=\"dataframe\">\n",
+        "  <thead>\n",
+        "    <tr style=\"text-align: right;\">\n",
+        "      <th></th>\n",
+        "      <th>state</th>\n",
+        "      <th>pop</th>\n",
+        "      <th>unempl</th>\n",
+        "      <th>year</th>\n",
+        "    </tr>\n",
+        "  </thead>\n",
+        "  <tbody>\n",
+        "    <tr>\n",
+        "      <th>0</th>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.0</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> 2012</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>1</th>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.1</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> 2013</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>2</th>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.2</td>\n",
+        "      <td> 6.0</td>\n",
+        "      <td> 2014</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>3</th>\n",
+        "      <td> MD</td>\n",
+        "      <td> 4.0</td>\n",
+        "      <td> 6.0</td>\n",
+        "      <td> 2014</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>4</th>\n",
+        "      <td> MD</td>\n",
+        "      <td> 4.1</td>\n",
+        "      <td> 6.1</td>\n",
+        "      <td> 2015</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>5 rows \u00d7 4 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 43,
+       "text": [
+        "  state  pop  unempl  year\n",
+        "0    VA  5.0     NaN  2012\n",
+        "1    VA  5.1     NaN  2013\n",
+        "2    VA  5.2     6.0  2014\n",
+        "3    MD  4.0     6.0  2014\n",
+        "4    MD  4.1     6.1  2015\n",
+        "\n",
+        "[5 rows x 4 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 43
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Reindex rows and columns while filling rows:"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "frame_3.reindex(index=list(reversed(range(0, 6))),\n",
+      "                fill_value=0,\n",
+      "                columns=['state', 'pop', 'unempl', 'year'])"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "html": [
+        "<div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+        "<table border=\"1\" class=\"dataframe\">\n",
+        "  <thead>\n",
+        "    <tr style=\"text-align: right;\">\n",
+        "      <th></th>\n",
+        "      <th>state</th>\n",
+        "      <th>pop</th>\n",
+        "      <th>unempl</th>\n",
+        "      <th>year</th>\n",
+        "    </tr>\n",
+        "  </thead>\n",
+        "  <tbody>\n",
+        "    <tr>\n",
+        "      <th>5</th>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.0</td>\n",
+        "      <td> 0.0</td>\n",
+        "      <td>    0</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>4</th>\n",
+        "      <td> MD</td>\n",
+        "      <td> 4.1</td>\n",
+        "      <td> 6.1</td>\n",
+        "      <td> 2015</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>3</th>\n",
+        "      <td> MD</td>\n",
+        "      <td> 4.0</td>\n",
+        "      <td> 6.0</td>\n",
+        "      <td> 2014</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>2</th>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.2</td>\n",
+        "      <td> 6.0</td>\n",
+        "      <td> 2014</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>1</th>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.1</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> 2013</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>0</th>\n",
+        "      <td> VA</td>\n",
+        "      <td> 5.0</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> 2012</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>6 rows \u00d7 4 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 44,
+       "text": [
+        "  state  pop  unempl  year\n",
+        "5     0  0.0     0.0     0\n",
+        "4    MD  4.1     6.1  2015\n",
+        "3    MD  4.0     6.0  2014\n",
+        "2    VA  5.2     6.0  2014\n",
+        "1    VA  5.1     NaN  2013\n",
+        "0    VA  5.0     NaN  2012\n",
+        "\n",
+        "[6 rows x 4 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 44
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Reindex using ix:"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "frame_3.ix[range(0, 7), ['state', 'pop', 'unempl', 'year']]"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "html": [
+        "<div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+        "<table border=\"1\" class=\"dataframe\">\n",
+        "  <thead>\n",
+        "    <tr style=\"text-align: right;\">\n",
+        "      <th></th>\n",
+        "      <th>state</th>\n",
+        "      <th>pop</th>\n",
+        "      <th>unempl</th>\n",
+        "      <th>year</th>\n",
+        "    </tr>\n",
+        "  </thead>\n",
+        "  <tbody>\n",
+        "    <tr>\n",
+        "      <th>0</th>\n",
+        "      <td>  VA</td>\n",
+        "      <td> 5.0</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> 2012</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>1</th>\n",
+        "      <td>  VA</td>\n",
+        "      <td> 5.1</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> 2013</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>2</th>\n",
+        "      <td>  VA</td>\n",
+        "      <td> 5.2</td>\n",
+        "      <td> 6.0</td>\n",
+        "      <td> 2014</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>3</th>\n",
+        "      <td>  MD</td>\n",
+        "      <td> 4.0</td>\n",
+        "      <td> 6.0</td>\n",
+        "      <td> 2014</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>4</th>\n",
+        "      <td>  MD</td>\n",
+        "      <td> 4.1</td>\n",
+        "      <td> 6.1</td>\n",
+        "      <td> 2015</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>5</th>\n",
+        "      <td> NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td>  NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>6</th>\n",
+        "      <td> NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td> NaN</td>\n",
+        "      <td>  NaN</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>7 rows \u00d7 4 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 45,
+       "text": [
+        "  state  pop  unempl  year\n",
+        "0    VA  5.0     NaN  2012\n",
+        "1    VA  5.1     NaN  2013\n",
+        "2    VA  5.2     6.0  2014\n",
+        "3    MD  4.0     6.0  2014\n",
+        "4    MD  4.1     6.1  2015\n",
+        "5   NaN  NaN     NaN   NaN\n",
+        "6   NaN  NaN     NaN   NaN\n",
+        "\n",
+        "[7 rows x 4 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 45
     }
    ],
    "metadata": {}