Updates and fixes

AllenDowney · Nov 30, 2023 · 4f241bb · 4f241bb
1 parent aa5c2f7
commit 4f241bb
Show file tree

Hide file tree

Showing 8 changed files with 614 additions and 458 deletions.
diff --git a/soln/chap01.ipynb b/soln/chap01.ipynb
@@ -87,7 +87,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 2,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:08.628591Z",
@@ -124,7 +124,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 6,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:08.634488Z",
@@ -155,26 +155,19 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
+       "      <th>caseid</th>\n",
        "      <th>year</th>\n",
        "      <th>age</th>\n",
        "      <th>sex</th>\n",
        "      <th>polviews</th>\n",
        "      <th>partyid</th>\n",
        "      <th>indus10</th>\n",
        "    </tr>\n",
-       "    <tr>\n",
-       "      <th>caseid</th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>1</th>\n",
+       "      <th>0</th>\n",
+       "      <td>1</td>\n",
        "      <td>1974</td>\n",
        "      <td>21.0</td>\n",
        "      <td>1</td>\n",
@@ -183,7 +176,8 @@
        "      <td>4970.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2</th>\n",
+       "      <th>1</th>\n",
+       "      <td>2</td>\n",
        "      <td>1974</td>\n",
        "      <td>41.0</td>\n",
        "      <td>1</td>\n",
@@ -192,7 +186,8 @@
        "      <td>9160.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>5</th>\n",
+       "      <th>2</th>\n",
+       "      <td>5</td>\n",
        "      <td>1974</td>\n",
        "      <td>58.0</td>\n",
        "      <td>2</td>\n",
@@ -201,7 +196,8 @@
        "      <td>2670.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>6</th>\n",
+       "      <th>3</th>\n",
+       "      <td>6</td>\n",
        "      <td>1974</td>\n",
        "      <td>30.0</td>\n",
        "      <td>1</td>\n",
@@ -210,7 +206,8 @@
        "      <td>6870.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>7</th>\n",
+       "      <th>4</th>\n",
+       "      <td>7</td>\n",
        "      <td>1974</td>\n",
        "      <td>48.0</td>\n",
        "      <td>1</td>\n",
@@ -223,24 +220,23 @@
        "</div>"
       ],
       "text/plain": [
-       "        year   age  sex  polviews  partyid  indus10\n",
-       "caseid                                             \n",
-       "1       1974  21.0    1       4.0      2.0   4970.0\n",
-       "2       1974  41.0    1       5.0      0.0   9160.0\n",
-       "5       1974  58.0    2       6.0      1.0   2670.0\n",
-       "6       1974  30.0    1       5.0      4.0   6870.0\n",
-       "7       1974  48.0    1       5.0      4.0   7860.0"
+       "   caseid  year   age  sex  polviews  partyid  indus10\n",
+       "0       1  1974  21.0    1       4.0      2.0   4970.0\n",
+       "1       2  1974  41.0    1       5.0      0.0   9160.0\n",
+       "2       5  1974  58.0    2       6.0      1.0   2670.0\n",
+       "3       6  1974  30.0    1       5.0      4.0   6870.0\n",
+       "4       7  1974  48.0    1       5.0      4.0   7860.0"
       ]
      },
-     "execution_count": 2,
+     "execution_count": 6,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
     "import pandas as pd\n",
     "\n",
-    "gss = pd.read_csv('gss_bayes.csv', index_col=0)\n",
+    "gss = pd.read_csv('gss_bayes.csv')\n",
     "gss.head()"
    ]
   },
@@ -252,7 +248,7 @@
     "\n",
     "The columns are\n",
     "\n",
-    "* `caseid`: Respondent id (which is the index of the table).\n",
+    "* `caseid`: Respondent identifier.\n",
     "\n",
     "* `year`: Year when the respondent was surveyed.\n",
     "\n",
@@ -280,7 +276,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 7,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.085579Z",
@@ -293,16 +289,15 @@
     {
      "data": {
       "text/plain": [
-       "caseid\n",
+       "0    False\n",
        "1    False\n",
        "2    False\n",
-       "5    False\n",
-       "6     True\n",
-       "7    False\n",
+       "3     True\n",
+       "4    False\n",
        "Name: indus10, dtype: bool"
       ]
      },
-     "execution_count": 3,
+     "execution_count": 7,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -323,7 +318,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 8,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.100573Z",
@@ -339,7 +334,7 @@
        "728"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 8,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -359,7 +354,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 9,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.108607Z",
@@ -375,7 +370,7 @@
        "0.014769730168391155"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -402,7 +397,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 10,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.115436Z",
@@ -427,7 +422,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 11,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.121943Z",
@@ -443,7 +438,7 @@
        "0.014769730168391155"
       ]
      },
-     "execution_count": 7,
+     "execution_count": 11,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -469,7 +464,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 12,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.133453Z",
@@ -492,7 +487,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 13,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.138777Z",
@@ -508,7 +503,7 @@
        "0.5378575776019476"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 13,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -549,7 +544,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 14,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.144820Z",
@@ -572,7 +567,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 15,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.150191Z",
@@ -588,7 +583,7 @@
        "0.27374721038750255"
       ]
      },
-     "execution_count": 11,
+     "execution_count": 15,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -626,7 +621,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 16,
    "metadata": {
     "execution": {
      "iopub.execute_input": "2021-04-16T19:35:09.156357Z",
@@ -1517,7 +1512,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### The Law of Total Probability\n",
+    "## The Law of Total Probability\n",
     "\n",
     "In addition to these three theorems, there's one more thing we'll need to do Bayesian statistics: the law of total probability.\n",
     "Here's one form of the law, expressed in mathematical notation:\n",
@@ -2271,7 +2266,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.12"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,

diff --git a/soln/chap02.ipynb b/soln/chap02.ipynb
@@ -445,12 +445,12 @@
    "source": [
     "I call the result `unnorm` because these values are the \"unnormalized posteriors\".  Each of them is the product of a prior and a likelihood:\n",
     "\n",
-    "$$P(B_i)~P(D|B_i)$$\n",
+    "$$P(H_i)~P(D|H_i)$$\n",
     "\n",
     "which is the numerator of Bayes's Theorem. \n",
     "If we add them up, we have\n",
     "\n",
-    "$$P(B_1)~P(D|B_1) + P(B_2)~P(D|B_2)$$\n",
+    "$$P(H_1)~P(D|H_1) + P(H_2)~P(D|H_2)$$\n",
     "\n",
     "which is the denominator of Bayes's Theorem, $P(D)$.\n",
     "\n",
@@ -1703,7 +1703,7 @@
  "metadata": {
   "celltoolbar": "Tags",
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -1717,7 +1717,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.8"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,

diff --git a/soln/chap05.ipynb b/soln/chap05.ipynb
@@ -2087,7 +2087,7 @@
  "metadata": {
   "celltoolbar": "Tags",
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -2101,7 +2101,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.8"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,

diff --git a/soln/chap06.ipynb b/soln/chap06.ipynb
diff --git a/soln/chap10.ipynb b/soln/chap10.ipynb
diff --git a/soln/chap11.ipynb b/soln/chap11.ipynb
diff --git a/soln/chap15.ipynb b/soln/chap15.ipynb
@@ -4105,7 +4105,7 @@
  "metadata": {
   "celltoolbar": "Tags",
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -4119,7 +4119,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.8"
+   "version": "3.9.12"
   }
  },
  "nbformat": 4,

diff --git a/soln/chap17.ipynb b/soln/chap17.ipynb