Adds creation and indexing reflection notes

craigsdennis · craigsdennis · commit a86d2d9ab38a · 2018-07-02T14:37:49.000-07:00
diff --git a/Introduction to NumPy.ipynb b/Introduction to NumPy.ipynb
@@ -632,15 +632,27 @@
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-    "## Creation\n",
-    "* Random state\n",
-    "* Appending rows\n",
+    "## Creation \n",
+    "* You can create a random but bound grouping of values using the `np.random` package.  \n",
+    "  * `RandomState` let's you seed your randomness in a way that is repeatable.\n",
+    "* You can append a row in a couple of ways\n",
+    "   * You can use the `np.append` method.  Make sure the new row is the same shape.\n",
+    "   * You can create/reassign a new array by including the existing array as part of the iterable in creation.\n",
+    "\n",
     "\n",
     "## Indexing\n",
-    "* Shortcut (tuple)\n",
-    "* Fancy Indexing"
+    "* You can use an indexing shortcut by separating dimensions with a comma.  \n",
+    "* You can index using a `list` or `np.array`.  Values will be pulled out at that specific index.  This is known as fancy indexing.\n",
+    "  * Resulting array shape matches the index array layout.  Be careful to distinguish between the tuple shortcut and fancy indexing."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "code",
    "execution_count": 33,
