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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Gridification"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "This notebook runs the gridification script and creates all the pixels in the database."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\u001b[32murban-meal-delivery\u001b[0m, version \u001b[34m0.3.0\u001b[0m\n"
+     ]
+    }
+   ],
+   "source": [
+    "!umd --version"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Upgrade Database Schema"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "This database migration also de-duplicates redundant addresses and removes obvious outliers."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%cd -q .."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "INFO  [alembic.runtime.migration] Context impl PostgresqlImpl.\n",
+      "INFO  [alembic.runtime.migration] Will assume transactional DDL.\n",
+      "INFO  [alembic.runtime.migration] Running upgrade f11cd76d2f45 -> 888e352d7526, Add pixel grid.\n",
+      "INFO  [alembic.runtime.migration] Running upgrade 888e352d7526 -> e40623e10405, Add demand forecasting.\n",
+      "INFO  [alembic.runtime.migration] Running upgrade e40623e10405 -> 26711cd3f9b9, Add confidence intervals to forecasts.\n",
+      "INFO  [alembic.runtime.migration] Running upgrade 26711cd3f9b9 -> e86290e7305e, Remove orders from restaurants with invalid location ...\n"
+     ]
+    }
+   ],
+   "source": [
+    "!alembic upgrade e86290e7305e"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Create the Grids"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Put all restaurant locations in pixels."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3 cities retrieved from the database\n",
+      "\n",
+      "Creating grids for Lyon\n",
+      "Creating grid with a side length of 707 meters\n",
+      " -> created 62 pixels\n",
+      "Creating grid with a side length of 1000 meters\n",
+      " -> created 38 pixels\n",
+      "Creating grid with a side length of 1414 meters\n",
+      " -> created 24 pixels\n",
+      "=> assigned 358 out of 48058 addresses in Lyon\n",
+      "\n",
+      "Creating grids for Paris\n",
+      "Creating grid with a side length of 707 meters\n",
+      " -> created 199 pixels\n",
+      "Creating grid with a side length of 1000 meters\n",
+      " -> created 111 pixels\n",
+      "Creating grid with a side length of 1414 meters\n",
+      " -> created 66 pixels\n",
+      "=> assigned 1133 out of 108135 addresses in Paris\n",
+      "\n",
+      "Creating grids for Bordeaux\n",
+      "Creating grid with a side length of 707 meters\n",
+      " -> created 30 pixels\n",
+      "Creating grid with a side length of 1000 meters\n",
+      " -> created 22 pixels\n",
+      "Creating grid with a side length of 1414 meters\n",
+      " -> created 15 pixels\n",
+      "=> assigned 123 out of 21742 addresses in Bordeaux\n"
+     ]
+    }
+   ],
+   "source": [
+    "!umd gridify"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%cd -q research"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}