Selecting Specific Rows & Columns of Pandas Dataframe Objects.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Slice, index, select Pandas Dataframe\n",
    "\n",
    "This is the code for the [YouTube Tutorial on using iloc and loc to slice pandas dataframe](https://youtu.be/W1ryq6Wvg8g)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>2</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>3</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>4</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>6</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>7</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>8</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>9</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  Condition  Subject_ID  Trial    Group\n",
       "0    Affect           1      1  Control\n",
       "1    Affect           1      2  Control\n",
       "2    Affect           1      3  Control\n",
       "3    Affect           1      4  Control\n",
       "4    Affect           1      5  Control\n",
       "5    Affect           1      6  Control\n",
       "6    Affect           1      7  Control\n",
       "7    Affect           1      8  Control\n",
       "8    Affect           1      9  Control\n",
       "9    Affect           1     10  Control"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import pandas as pd\n",
    "\n",
    "# Create some variables\n",
    "trials = range(1, 21)\n",
    "n_rows = len(trials)\n",
    "subj_id = [1]*n_rows\n",
    "group = ['Control']*n_rows\n",
    "condition = ['Affect']*int((n_rows/2)) + ['Neutral']*int((n_rows/2))\n",
    "\n",
    "# Create a dictionairy\n",
    "data = {'Condition':condition, 'Subject_ID':subj_id, \n",
    "        'Trial':trials, 'Group':group}\n",
    "\n",
    "# Create the dataframe\n",
    "df = pd.DataFrame(data)\n",
    "df.head(10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
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       "<div>\n",
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       "    .dataframe tbody tr th:only-of-type {\n",
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>6</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>7</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>8</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>9</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
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      "text/plain": [
       "  Condition  Subject_ID  Trial    Group\n",
       "4    Affect           1      5  Control\n",
       "5    Affect           1      6  Control\n",
       "6    Affect           1      7  Control\n",
       "7    Affect           1      8  Control\n",
       "8    Affect           1      9  Control\n",
       "9    Affect           1     10  Control"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Select row five to 10\n",
    "df[4:10:1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
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       "      <th>4</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>6</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>7</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Affect</td>\n",
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       "      <td>8</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>9</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
       "      <td>Control</td>\n",
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      "text/plain": [
       "  Condition  Subject_ID  Trial    Group\n",
       "4    Affect           1      5  Control\n",
       "5    Affect           1      6  Control\n",
       "6    Affect           1      7  Control\n",
       "7    Affect           1      8  Control\n",
       "8    Affect           1      9  Control\n",
       "9    Affect           1     10  Control"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.loc[4:9,:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "    .dataframe tbody tr th:only-of-type {\n",
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>1</td>\n",
       "      <td>11</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>1</td>\n",
       "      <td>12</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>1</td>\n",
       "      <td>13</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>1</td>\n",
       "      <td>14</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>1</td>\n",
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       "      <td>Control</td>\n",
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      "text/plain": [
       "   Condition  Subject_ID  Trial    Group\n",
       "10   Neutral           1     11  Control\n",
       "11   Neutral           1     12  Control\n",
       "12   Neutral           1     13  Control\n",
       "13   Neutral           1     14  Control\n",
       "14   Neutral           1     15  Control"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.loc[10:14,:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Affect'"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.loc[0, 'Condition']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      Affect\n",
       "1      Affect\n",
       "2      Affect\n",
       "3      Affect\n",
       "4      Affect\n",
       "5      Affect\n",
       "6      Affect\n",
       "7      Affect\n",
       "8      Affect\n",
       "9      Affect\n",
       "10    Neutral\n",
       "11    Neutral\n",
       "12    Neutral\n",
       "13    Neutral\n",
       "14    Neutral\n",
       "15    Neutral\n",
       "16    Neutral\n",
       "17    Neutral\n",
       "18    Neutral\n",
       "19    Neutral\n",
       "Name: Condition, dtype: object"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Printing out one column\n",
    "df.loc[:, 'Condition']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Group</th>\n",
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       "      <td>Affect</td>\n",
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       "      <td>Affect</td>\n",
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       "      <td>Affect</td>\n",
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       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
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       "      <th>12</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>Neutral</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   Condition    Group\n",
       "0     Affect  Control\n",
       "1     Affect  Control\n",
       "2     Affect  Control\n",
       "3     Affect  Control\n",
       "4     Affect  Control\n",
       "5     Affect  Control\n",
       "6     Affect  Control\n",
       "7     Affect  Control\n",
       "8     Affect  Control\n",
       "9     Affect  Control\n",
       "10   Neutral  Control\n",
       "11   Neutral  Control\n",
       "12   Neutral  Control\n",
       "13   Neutral  Control\n",
       "14   Neutral  Control\n",
       "15   Neutral  Control\n",
       "16   Neutral  Control\n",
       "17   Neutral  Control\n",
       "18   Neutral  Control\n",
       "19   Neutral  Control"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Printing out two columns\n",
    "df.loc[:, ['Condition', 'Group']]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <th>4</th>\n",
       "      <td>Affect</td>\n",
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       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  Condition    Group\n",
       "4    Affect  Control\n",
       "5    Affect  Control\n",
       "6    Affect  Control\n",
       "7    Affect  Control\n",
       "8    Affect  Control\n",
       "9    Affect  Control"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Printing out from second column\n",
    "df.loc[4:9, ['Condition', 'Group']]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
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       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>1</td>\n",
       "      <td>6</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>1</td>\n",
       "      <td>7</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>1</td>\n",
       "      <td>8</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>1</td>\n",
       "      <td>9</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   Subject_ID  Trial    Group\n",
       "4           1      5  Control\n",
       "5           1      6  Control\n",
       "6           1      7  Control\n",
       "7           1      8  Control\n",
       "8           1      9  Control\n",
       "9           1     10  Control"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# From column 'Subject_ID' and forward\n",
    "df.loc[4:9, 'Subject_ID':]\n",
    "\n",
    "# From column 'Trial' and forward\n",
    "# df.loc[4:9, 'Trial':]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Affect</td>\n",
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       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>6</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>7</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>8</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>9</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  Condition  Subject_ID  Trial    Group\n",
       "4    Affect           1      5  Control\n",
       "5    Affect           1      6  Control\n",
       "6    Affect           1      7  Control\n",
       "7    Affect           1      8  Control\n",
       "8    Affect           1      9  Control\n",
       "9    Affect           1     10  Control"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Printing out fifth to the twentieth row and all columns\n",
    "# Note the difference!\n",
    "df.iloc[4:10,:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4    Affect\n",
       "5    Affect\n",
       "6    Affect\n",
       "7    Affect\n",
       "8    Affect\n",
       "9    Affect\n",
       "Name: Condition, dtype: object"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.iloc[4:10, 0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Condition</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Affect</td>\n",
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       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Affect</td>\n",
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       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>Affect</td>\n",
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       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Affect</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  Condition    Group\n",
       "4    Affect  Control\n",
       "5    Affect  Control\n",
       "6    Affect  Control\n",
       "7    Affect  Control\n",
       "8    Affect  Control\n",
       "9    Affect  Control"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.iloc[4:10, [0, 3]]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
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       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
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       "      <th></th>\n",
       "      <th>Subject_ID</th>\n",
       "      <th>Trial</th>\n",
       "      <th>Group</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "      <td>Control</td>\n",
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       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>1</td>\n",
       "      <td>6</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>1</td>\n",
       "      <td>7</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>1</td>\n",
       "      <td>8</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>1</td>\n",
       "      <td>9</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
       "      <td>Control</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   Subject_ID  Trial    Group\n",
       "4           1      5  Control\n",
       "5           1      6  Control\n",
       "6           1      7  Control\n",
       "7           1      8  Control\n",
       "8           1      9  Control\n",
       "9           1     10  Control"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.iloc[4:10, 1:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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