Add date to notebook

Author: OlivierBinette

data-downloads/1-python-data-exploration-example.ipynb

@@ -6,27 +6,29 @@
    "source": [
     "# Data Exploration Example in Python\n",
     "\n",
-    "**Author**: Shania Braithwaite and PatentsView Team\n",
-    "\n"
+    "- **Author**: Shania Braithwaite and PatentsView Team\n",
+    "- **Date**: February 2024\n"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
     "**Table of contents**<a id='toc0_'></a>    \n",
-    "- 1. [Initialize Local DuckDB Database](#toc1_)    \n",
-    "  - 1.1. [Download Bulk Data Files from PatentsView](#toc1_1_)    \n",
-    "  - 1.2. [Create/Connect to DuckDB Database](#toc1_2_)    \n",
-    "  - 1.3. [Create Tables in Database](#toc1_3_)    \n",
-    "- 2. [Prepare Data](#toc2_)    \n",
-    "  - 2.1. [Preview Tables](#toc2_1_)    \n",
-    "  - 2.2. [Joining Tables](#toc2_2_)    \n",
-    "- 3. [Analyzing Biotechnology Patents](#toc3_)    \n",
-    "  - 3.1. [IPC Codes](#toc3_1_)    \n",
-    "  - 3.2. [Trends Over Time](#toc3_2_)    \n",
-    "  - 3.3. [Assignee Types](#toc3_3_)    \n",
-    "  - 3.4. [U.S. Maps](#toc3_4_)    \n",
+    "- 1. [Overview](#toc1_)    \n",
+    "  - 1.1. [System Dependencies](#toc1_1_)    \n",
+    "- 2. [Initialize Local DuckDB Database](#toc2_)    \n",
+    "  - 2.1. [Download Bulk Data Files from PatentsView](#toc2_1_)    \n",
+    "  - 2.2. [Create/Connect to DuckDB Database](#toc2_2_)    \n",
+    "  - 2.3. [Create Tables in Database](#toc2_3_)    \n",
+    "- 3. [Prepare Data](#toc3_)    \n",
+    "  - 3.1. [Preview Tables](#toc3_1_)    \n",
+    "  - 3.2. [Joining Tables](#toc3_2_)    \n",
+    "- 4. [Analyzing Biotechnology Patents](#toc4_)    \n",
+    "  - 4.1. [IPC Codes](#toc4_1_)    \n",
+    "  - 4.2. [Trends Over Time](#toc4_2_)    \n",
+    "  - 4.3. [Assignee Types](#toc4_3_)    \n",
+    "  - 4.4. [U.S. Maps](#toc4_4_)    \n",
     "\n",
     "<!-- vscode-jupyter-toc-config\n",
     "\tnumbering=true\n",
@@ -42,7 +44,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Overview\n",
+    "## 1. <a id='toc1_'></a>[Overview](#toc0_)\n",
     "\n",
     "This notebook provides an example exploration of patents data using PatentsView's bulk data downloads, Python, and popular data science tools. It shows how to:\n",
     "\n",
@@ -52,7 +54,7 @@
     "\n",
     "As a running example, we're looking into biotechnology patents identified via a subset of International Patent Classification (IPC) codes. Our goal is to explore the data, considering the distribution of biotechnology patent topic and the geographic distribution of biotechnology patent assignees.\n",
     "\n",
-    "### System Dependencies\n",
+    "### 1.1. <a id='toc1_1_'></a>[System Dependencies](#toc0_)\n",
     "\n",
     "You can install required packages for running this notebook using:\n",
     "```python\n",
@@ -70,7 +72,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## 1. <a id='toc1_'></a>[Initialize Local DuckDB Database](#toc0_)\n",
+    "## 2. <a id='toc2_'></a>[Initialize Local DuckDB Database](#toc0_)\n",
     "\n",
     "First, we set up a local DuckDB database to help efficiently process larger-than-memory data."
    ]
@@ -79,7 +81,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 1.1. <a id='toc1_1_'></a>[Download Bulk Data Files from PatentsView](#toc0_)"
+    "### 2.1. <a id='toc2_1_'></a>[Download Bulk Data Files from PatentsView](#toc0_)"
    ]
   },
   {
@@ -149,7 +151,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 1.2. <a id='toc1_2_'></a>[Create/Connect to DuckDB Database](#toc0_)"
+    "### 2.2. <a id='toc2_2_'></a>[Create/Connect to DuckDB Database](#toc0_)"
    ]
   },
   {
@@ -186,7 +188,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 1.3. <a id='toc1_3_'></a>[Create Tables in Database](#toc0_)"
+    "### 2.3. <a id='toc2_3_'></a>[Create Tables in Database](#toc0_)"
    ]
   },
   {
@@ -225,7 +227,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## 2. <a id='toc2_'></a>[Prepare Data](#toc0_)\n",
+    "## 3. <a id='toc3_'></a>[Prepare Data](#toc0_)\n",
     "\n",
     "With the data loaded in our local DuckDB database, we can now preview and prepare the data."
    ]
@@ -234,7 +236,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 2.1. <a id='toc2_1_'></a>[Preview Tables](#toc0_)"
+    "### 3.1. <a id='toc3_1_'></a>[Preview Tables](#toc0_)"
    ]
   },
   {
@@ -638,7 +640,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 2.2. <a id='toc2_2_'></a>[Joining Tables](#toc0_)"
+    "### 3.2. <a id='toc3_2_'></a>[Joining Tables](#toc0_)"
    ]
   },
   {
@@ -714,7 +716,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## 3. <a id='toc3_'></a>[Analyzing Biotechnology Patents](#toc0_)"
+    "## 4. <a id='toc4_'></a>[Analyzing Biotechnology Patents](#toc0_)"
    ]
   },
   {
@@ -735,7 +737,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 3.1. <a id='toc3_1_'></a>[IPC Codes](#toc0_)"
+    "### 4.1. <a id='toc4_1_'></a>[IPC Codes](#toc0_)"
    ]
   },
   {
@@ -285131,7 +285133,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 3.2. <a id='toc3_2_'></a>[Trends Over Time](#toc0_)"
+    "### 4.2. <a id='toc4_2_'></a>[Trends Over Time](#toc0_)"
    ]
   },
   {
@@ -286168,7 +286170,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 3.3. <a id='toc3_3_'></a>[Assignee Types](#toc0_)"
+    "### 4.3. <a id='toc4_3_'></a>[Assignee Types](#toc0_)"
    ]
   },
   {
@@ -286526,7 +286528,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 3.4. <a id='toc3_4_'></a>[U.S. Maps](#toc0_)"
+    "### 4.4. <a id='toc4_4_'></a>[U.S. Maps](#toc0_)"
    ]
   },
   {