Merge pull request #172 from pryn-kb/main

more pandas corrections

Author: pryn-kb

_build/.doctrees/_to_be_deleted_later/notebooks.doctree

@@ -1210,7 +1210,7 @@
     "tags": []
    },
    "source": [
-    "The `notna()` conditional function returns a `True` for each row where the values ***are not*** a null value (i.e., not `NaN`).\n",
+    "The `notna()` conditional function returns a `True` for each row where the values ***are not*** a null value (i.e., not `NaN` or `None`).\n",
     "\n",
     "Use the `notna()` method to create a boolean `DataFrame` indicating whether each element in 'titanic' is not null.\\\n",
     "This command returns a `DataFrame` of the same shape as 'titanic', where `True` indicates a non-null value, and `False` indicates a null value."

_build/.doctrees/docs/101/99_sets_and_dictionaries.doctree

@@ -1764,21 +1764,21 @@
    "metadata": {},
    "source": [
     "1. Use `loc` to find the passenger named \"Dooley, Mr. Patrick\"\n",
-    "2. Use `iloc` to find the ~~alien~~ 8. passenger\n",
+    "2. Use `iloc` to find the <del>alien</del> 8. passenger\n",
     "3. Use `iloc` to find the value in row 100, column 4\n",
     "4. Use `loc` and `str.contains()` to find all Reverends (\"Rev.\")\n",
     "\n",
     "```{admonition} Solution\n",
     ":class: dropdown\n",
     "\n",
-    "1.\n",
-    "    titanic.loc[titanic['Name'] == \"Dooley, Mr. Patrick\"]\n",
-    "2.\n",
-    "    titanic.iloc[7]\n",
-    "3.\n",
-    "    titanic.iloc[99, 3]\n",
-    "4.\n",
-    "    titanic.loc[titanic['Name'].str.contains(\"Rev.\", case=False)]\n"
+    "1. titanic.loc[titanic['Name'] == \"Dooley, Mr. Patrick\"]\n",
+    "2. titanic.iloc[7]\n",
+    "3. titanic.iloc[99, 3]\n",
+    "4. titanic.loc[titanic['Name'].str.contains(\"Rev.\", case=False)]\n",
+    "\n",
+    "**Solution 4** selects all rows from `titanic` where the **Name** column contains “Rev.”.  \n",
+    "The argument `case=False` makes the search case-insensitive (it ignores uppercase/lowercase differences).  \n",
+    "You have not learned about `case=False` yet, and it is not strictly necessary considering the wording of the exercise."
    ]
   },
   {

_build/.doctrees/docs/_test/vega.doctree

@@ -468,7 +468,7 @@ <h2>Code blocks and outputs<a class="headerlink" href="#code-blocks-and-outputs"
 </div>
 </div>
 <div class="cell_output docutils container">
-<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;contextlib.ExitStack at 0x10fbf1100&gt;
+<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;contextlib.ExitStack at 0x1122a7320&gt;
 </pre></div>
 </div>
 </div>