upd

1 files changed, 879 insertions, 27 deletions

diff --git a/Fundamentals_of_Accelerated_Data_Science/3-05_knn.ipynb b/Fundamentals_of_Accelerated_Data_Science/3-05_knn.ipynb
index e6d543f..48577c4 100644
--- a/Fundamentals_of_Accelerated_Data_Science/3-05_knn.ipynb
+++ b/Fundamentals_of_Accelerated_Data_Science/3-05_knn.ipynb
@@ -41,7 +41,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -66,7 +66,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -76,27 +76,134 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "node_id     object\n",
+       "east       float32\n",
+       "north      float32\n",
+       "type        object\n",
+       "dtype: object"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "road_nodes.dtypes"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(3121148, 4)"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "road_nodes.shape"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>node_id</th>\n",
+       "      <th>east</th>\n",
+       "      <th>north</th>\n",
+       "      <th>type</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>id02FE73D4-E88D-4119-8DC2-6E80DE6F6594</td>\n",
+       "      <td>320608.09375</td>\n",
+       "      <td>870994.0000</td>\n",
+       "      <td>junction</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>id634D65C1-C38B-4868-9080-2E1E47F0935C</td>\n",
+       "      <td>320628.50000</td>\n",
+       "      <td>871103.8125</td>\n",
+       "      <td>road end</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>idDC14D4D1-774E-487D-8EDE-60B129E5482C</td>\n",
+       "      <td>320635.46875</td>\n",
+       "      <td>870983.8750</td>\n",
+       "      <td>junction</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>id51555819-1A39-4B41-B0C9-C6D2086D9921</td>\n",
+       "      <td>320648.68750</td>\n",
+       "      <td>871083.5625</td>\n",
+       "      <td>junction</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>id9E362428-79D7-4EE3-B015-0CE3F6A78A69</td>\n",
+       "      <td>320658.18750</td>\n",
+       "      <td>871162.3750</td>\n",
+       "      <td>junction</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                                  node_id          east        north      type\n",
+       "0  id02FE73D4-E88D-4119-8DC2-6E80DE6F6594  320608.09375  870994.0000  junction\n",
+       "1  id634D65C1-C38B-4868-9080-2E1E47F0935C  320628.50000  871103.8125  road end\n",
+       "2  idDC14D4D1-774E-487D-8EDE-60B129E5482C  320635.46875  870983.8750  junction\n",
+       "3  id51555819-1A39-4B41-B0C9-C6D2086D9921  320648.68750  871083.5625  junction\n",
+       "4  id9E362428-79D7-4EE3-B015-0CE3F6A78A69  320658.18750  871162.3750  junction"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "road_nodes.head()"
    ]
@@ -111,7 +218,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -120,27 +227,308 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "OrganisationID         int64\n",
+       "OrganisationCode       object\n",
+       "OrganisationType       object\n",
+       "SubType                object\n",
+       "Sector                 object\n",
+       "OrganisationStatus     object\n",
+       "IsPimsManaged          object\n",
+       "OrganisationName       object\n",
+       "Address1               object\n",
+       "Address2               object\n",
+       "Address3               object\n",
+       "City                   object\n",
+       "County                 object\n",
+       "Postcode               object\n",
+       "Latitude              float64\n",
+       "Longitude             float64\n",
+       "ParentODSCode          object\n",
+       "ParentName             object\n",
+       "Phone                  object\n",
+       "Email                  object\n",
+       "Website                object\n",
+       "Fax                    object\n",
+       "northing              float64\n",
+       "easting               float64\n",
+       "dtype: object"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "hospitals.dtypes"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 8,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(1226, 24)"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "hospitals.shape"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 9,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>OrganisationID</th>\n",
+       "      <th>OrganisationCode</th>\n",
+       "      <th>OrganisationType</th>\n",
+       "      <th>SubType</th>\n",
+       "      <th>Sector</th>\n",
+       "      <th>OrganisationStatus</th>\n",
+       "      <th>IsPimsManaged</th>\n",
+       "      <th>OrganisationName</th>\n",
+       "      <th>Address1</th>\n",
+       "      <th>Address2</th>\n",
+       "      <th>...</th>\n",
+       "      <th>Latitude</th>\n",
+       "      <th>Longitude</th>\n",
+       "      <th>ParentODSCode</th>\n",
+       "      <th>ParentName</th>\n",
+       "      <th>Phone</th>\n",
+       "      <th>Email</th>\n",
+       "      <th>Website</th>\n",
+       "      <th>Fax</th>\n",
+       "      <th>northing</th>\n",
+       "      <th>easting</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>17970</td>\n",
+       "      <td>NDA07</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Independent Sector</td>\n",
+       "      <td>Visible</td>\n",
+       "      <td>TRUE</td>\n",
+       "      <td>Walton Community Hospital - Virgin Care Servic...</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>Rodney Road</td>\n",
+       "      <td>...</td>\n",
+       "      <td>51.379997</td>\n",
+       "      <td>-0.406042</td>\n",
+       "      <td>NDA</td>\n",
+       "      <td>Virgin Care Services Ltd</td>\n",
+       "      <td>01932 414205</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>01932 253674</td>\n",
+       "      <td>165810.4688</td>\n",
+       "      <td>510917.5313</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>17981</td>\n",
+       "      <td>NDA18</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Independent Sector</td>\n",
+       "      <td>Visible</td>\n",
+       "      <td>TRUE</td>\n",
+       "      <td>Woking Community Hospital (Virgin Care)</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>Heathside Road</td>\n",
+       "      <td>...</td>\n",
+       "      <td>51.315132</td>\n",
+       "      <td>-0.556289</td>\n",
+       "      <td>NDA</td>\n",
+       "      <td>Virgin Care Services Ltd</td>\n",
+       "      <td>01483 715911</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>158381.3438</td>\n",
+       "      <td>500604.8438</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>18102</td>\n",
+       "      <td>NLT02</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>NHS Sector</td>\n",
+       "      <td>Visible</td>\n",
+       "      <td>TRUE</td>\n",
+       "      <td>North Somerset Community Hospital</td>\n",
+       "      <td>North Somerset Community Hospital</td>\n",
+       "      <td>Old Street</td>\n",
+       "      <td>...</td>\n",
+       "      <td>51.437195</td>\n",
+       "      <td>-2.847193</td>\n",
+       "      <td>NLT</td>\n",
+       "      <td>North Somerset Community Partnership Community...</td>\n",
+       "      <td>01275 872212</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>http://www.nscphealth.co.uk</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>171305.7813</td>\n",
+       "      <td>341119.3750</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>18138</td>\n",
+       "      <td>NMP01</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Independent Sector</td>\n",
+       "      <td>Visible</td>\n",
+       "      <td>FALSE</td>\n",
+       "      <td>Bridgewater Hospital</td>\n",
+       "      <td>120 Princess Road</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>...</td>\n",
+       "      <td>53.459743</td>\n",
+       "      <td>-2.245469</td>\n",
+       "      <td>NMP</td>\n",
+       "      <td>Bridgewater Hospital (Manchester) Ltd</td>\n",
+       "      <td>0161 2270000</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>www.bridgewaterhospital.com</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>395944.5625</td>\n",
+       "      <td>383703.5938</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>18142</td>\n",
+       "      <td>NMV01</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Hospital</td>\n",
+       "      <td>Independent Sector</td>\n",
+       "      <td>Visible</td>\n",
+       "      <td>TRUE</td>\n",
+       "      <td>Kneesworth House</td>\n",
+       "      <td>Old North Road</td>\n",
+       "      <td>Bassingbourn</td>\n",
+       "      <td>...</td>\n",
+       "      <td>52.078121</td>\n",
+       "      <td>-0.030604</td>\n",
+       "      <td>NMV</td>\n",
+       "      <td>Partnerships In Care Ltd</td>\n",
+       "      <td>01763 255 700</td>\n",
+       "      <td>reception_kneesworthhouse@partnershipsincare.c...</td>\n",
+       "      <td>www.partnershipsincare.co.uk</td>\n",
+       "      <td>&lt;NA&gt;</td>\n",
+       "      <td>244071.7031</td>\n",
+       "      <td>534945.1875</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>5 rows × 24 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "   OrganisationID OrganisationCode OrganisationType   SubType  \\\n",
+       "0            17970            NDA07         Hospital  Hospital   \n",
+       "1            17981            NDA18         Hospital  Hospital   \n",
+       "2            18102            NLT02         Hospital  Hospital   \n",
+       "3            18138            NMP01         Hospital  Hospital   \n",
+       "4            18142            NMV01         Hospital  Hospital   \n",
+       "\n",
+       "               Sector OrganisationStatus IsPimsManaged  \\\n",
+       "0  Independent Sector            Visible          TRUE   \n",
+       "1  Independent Sector            Visible          TRUE   \n",
+       "2          NHS Sector            Visible          TRUE   \n",
+       "3  Independent Sector            Visible         FALSE   \n",
+       "4  Independent Sector            Visible          TRUE   \n",
+       "\n",
+       "                                    OrganisationName  \\\n",
+       "0  Walton Community Hospital - Virgin Care Servic...   \n",
+       "1            Woking Community Hospital (Virgin Care)   \n",
+       "2                  North Somerset Community Hospital   \n",
+       "3                               Bridgewater Hospital   \n",
+       "4                                   Kneesworth House   \n",
+       "\n",
+       "                            Address1        Address2  ...   Latitude  \\\n",
+       "0                               <NA>     Rodney Road  ...  51.379997   \n",
+       "1                               <NA>  Heathside Road  ...  51.315132   \n",
+       "2  North Somerset Community Hospital      Old Street  ...  51.437195   \n",
+       "3                  120 Princess Road            <NA>  ...  53.459743   \n",
+       "4                     Old North Road    Bassingbourn  ...  52.078121   \n",
+       "\n",
+       "   Longitude  ParentODSCode  \\\n",
+       "0  -0.406042            NDA   \n",
+       "1  -0.556289            NDA   \n",
+       "2  -2.847193            NLT   \n",
+       "3  -2.245469            NMP   \n",
+       "4  -0.030604            NMV   \n",
+       "\n",
+       "                                          ParentName          Phone  \\\n",
+       "0                           Virgin Care Services Ltd   01932 414205   \n",
+       "1                           Virgin Care Services Ltd   01483 715911   \n",
+       "2  North Somerset Community Partnership Community...   01275 872212   \n",
+       "3              Bridgewater Hospital (Manchester) Ltd   0161 2270000   \n",
+       "4                           Partnerships In Care Ltd  01763 255 700   \n",
+       "\n",
+       "                                               Email  \\\n",
+       "0                                               <NA>   \n",
+       "1                                               <NA>   \n",
+       "2                                               <NA>   \n",
+       "3                                               <NA>   \n",
+       "4  reception_kneesworthhouse@partnershipsincare.c...   \n",
+       "\n",
+       "                        Website           Fax     northing      easting  \n",
+       "0                          <NA>  01932 253674  165810.4688  510917.5313  \n",
+       "1                          <NA>          <NA>  158381.3438  500604.8438  \n",
+       "2   http://www.nscphealth.co.uk          <NA>  171305.7813  341119.3750  \n",
+       "3   www.bridgewaterhospital.com          <NA>  395944.5625  383703.5938  \n",
+       "4  www.partnershipsincare.co.uk          <NA>  244071.7031  534945.1875  \n",
+       "\n",
+       "[5 rows x 24 columns]"
+      ]
+     },
+     "execution_count": 9,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "hospitals.head()"
    ]
@@ -161,7 +549,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -171,9 +559,427 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<style>#sk-container-id-1 {\n",
+       "  /* Definition of color scheme common for light and dark mode */\n",
+       "  --sklearn-color-text: black;\n",
+       "  --sklearn-color-line: gray;\n",
+       "  /* Definition of color scheme for unfitted estimators */\n",
+       "  --sklearn-color-unfitted-level-0: #fff5e6;\n",
+       "  --sklearn-color-unfitted-level-1: #f6e4d2;\n",
+       "  --sklearn-color-unfitted-level-2: #ffe0b3;\n",
+       "  --sklearn-color-unfitted-level-3: chocolate;\n",
+       "  /* Definition of color scheme for fitted estimators */\n",
+       "  --sklearn-color-fitted-level-0: #f0f8ff;\n",
+       "  --sklearn-color-fitted-level-1: #d4ebff;\n",
+       "  --sklearn-color-fitted-level-2: #b3dbfd;\n",
+       "  --sklearn-color-fitted-level-3: cornflowerblue;\n",
+       "\n",
+       "  /* Specific color for light theme */\n",
+       "  --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
+       "  --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white)));\n",
+       "  --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
+       "  --sklearn-color-icon: #696969;\n",
+       "\n",
+       "  @media (prefers-color-scheme: dark) {\n",
+       "    /* Redefinition of color scheme for dark theme */\n",
+       "    --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
+       "    --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111)));\n",
+       "    --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
+       "    --sklearn-color-icon: #878787;\n",
+       "  }\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 {\n",
+       "  color: var(--sklearn-color-text);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 pre {\n",
+       "  padding: 0;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 input.sk-hidden--visually {\n",
+       "  border: 0;\n",
+       "  clip: rect(1px 1px 1px 1px);\n",
+       "  clip: rect(1px, 1px, 1px, 1px);\n",
+       "  height: 1px;\n",
+       "  margin: -1px;\n",
+       "  overflow: hidden;\n",
+       "  padding: 0;\n",
+       "  position: absolute;\n",
+       "  width: 1px;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-dashed-wrapped {\n",
+       "  border: 1px dashed var(--sklearn-color-line);\n",
+       "  margin: 0 0.4em 0.5em 0.4em;\n",
+       "  box-sizing: border-box;\n",
+       "  padding-bottom: 0.4em;\n",
+       "  background-color: var(--sklearn-color-background);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-container {\n",
+       "  /* jupyter's `normalize.less` sets `[hidden] { display: none; }`\n",
+       "     but bootstrap.min.css set `[hidden] { display: none !important; }`\n",
+       "     so we also need the `!important` here to be able to override the\n",
+       "     default hidden behavior on the sphinx rendered scikit-learn.org.\n",
+       "     See: https://github.com/scikit-learn/scikit-learn/issues/21755 */\n",
+       "  display: inline-block !important;\n",
+       "  position: relative;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-text-repr-fallback {\n",
+       "  display: none;\n",
+       "}\n",
+       "\n",
+       "div.sk-parallel-item,\n",
+       "div.sk-serial,\n",
+       "div.sk-item {\n",
+       "  /* draw centered vertical line to link estimators */\n",
+       "  background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background));\n",
+       "  background-size: 2px 100%;\n",
+       "  background-repeat: no-repeat;\n",
+       "  background-position: center center;\n",
+       "}\n",
+       "\n",
+       "/* Parallel-specific style estimator block */\n",
+       "\n",
+       "#sk-container-id-1 div.sk-parallel-item::after {\n",
+       "  content: \"\";\n",
+       "  width: 100%;\n",
+       "  border-bottom: 2px solid var(--sklearn-color-text-on-default-background);\n",
+       "  flex-grow: 1;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-parallel {\n",
+       "  display: flex;\n",
+       "  align-items: stretch;\n",
+       "  justify-content: center;\n",
+       "  background-color: var(--sklearn-color-background);\n",
+       "  position: relative;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-parallel-item {\n",
+       "  display: flex;\n",
+       "  flex-direction: column;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-parallel-item:first-child::after {\n",
+       "  align-self: flex-end;\n",
+       "  width: 50%;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-parallel-item:last-child::after {\n",
+       "  align-self: flex-start;\n",
+       "  width: 50%;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-parallel-item:only-child::after {\n",
+       "  width: 0;\n",
+       "}\n",
+       "\n",
+       "/* Serial-specific style estimator block */\n",
+       "\n",
+       "#sk-container-id-1 div.sk-serial {\n",
+       "  display: flex;\n",
+       "  flex-direction: column;\n",
+       "  align-items: center;\n",
+       "  background-color: var(--sklearn-color-background);\n",
+       "  padding-right: 1em;\n",
+       "  padding-left: 1em;\n",
+       "}\n",
+       "\n",
+       "\n",
+       "/* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is\n",
+       "clickable and can be expanded/collapsed.\n",
+       "- Pipeline and ColumnTransformer use this feature and define the default style\n",
+       "- Estimators will overwrite some part of the style using the `sk-estimator` class\n",
+       "*/\n",
+       "\n",
+       "/* Pipeline and ColumnTransformer style (default) */\n",
+       "\n",
+       "#sk-container-id-1 div.sk-toggleable {\n",
+       "  /* Default theme specific background. It is overwritten whether we have a\n",
+       "  specific estimator or a Pipeline/ColumnTransformer */\n",
+       "  background-color: var(--sklearn-color-background);\n",
+       "}\n",
+       "\n",
+       "/* Toggleable label */\n",
+       "#sk-container-id-1 label.sk-toggleable__label {\n",
+       "  cursor: pointer;\n",
+       "  display: block;\n",
+       "  width: 100%;\n",
+       "  margin-bottom: 0;\n",
+       "  padding: 0.5em;\n",
+       "  box-sizing: border-box;\n",
+       "  text-align: center;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 label.sk-toggleable__label-arrow:before {\n",
+       "  /* Arrow on the left of the label */\n",
+       "  content: \"▸\";\n",
+       "  float: left;\n",
+       "  margin-right: 0.25em;\n",
+       "  color: var(--sklearn-color-icon);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 label.sk-toggleable__label-arrow:hover:before {\n",
+       "  color: var(--sklearn-color-text);\n",
+       "}\n",
+       "\n",
+       "/* Toggleable content - dropdown */\n",
+       "\n",
+       "#sk-container-id-1 div.sk-toggleable__content {\n",
+       "  max-height: 0;\n",
+       "  max-width: 0;\n",
+       "  overflow: hidden;\n",
+       "  text-align: left;\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-0);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-toggleable__content.fitted {\n",
+       "  /* fitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-0);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-toggleable__content pre {\n",
+       "  margin: 0.2em;\n",
+       "  border-radius: 0.25em;\n",
+       "  color: var(--sklearn-color-text);\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-0);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-toggleable__content.fitted pre {\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-0);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 input.sk-toggleable__control:checked~div.sk-toggleable__content {\n",
+       "  /* Expand drop-down */\n",
+       "  max-height: 200px;\n",
+       "  max-width: 100%;\n",
+       "  overflow: auto;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before {\n",
+       "  content: \"▾\";\n",
+       "}\n",
+       "\n",
+       "/* Pipeline/ColumnTransformer-specific style */\n",
+       "\n",
+       "#sk-container-id-1 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
+       "  color: var(--sklearn-color-text);\n",
+       "  background-color: var(--sklearn-color-unfitted-level-2);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
+       "  background-color: var(--sklearn-color-fitted-level-2);\n",
+       "}\n",
+       "\n",
+       "/* Estimator-specific style */\n",
+       "\n",
+       "/* Colorize estimator box */\n",
+       "#sk-container-id-1 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-2);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
+       "  /* fitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-2);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-label label.sk-toggleable__label,\n",
+       "#sk-container-id-1 div.sk-label label {\n",
+       "  /* The background is the default theme color */\n",
+       "  color: var(--sklearn-color-text-on-default-background);\n",
+       "}\n",
+       "\n",
+       "/* On hover, darken the color of the background */\n",
+       "#sk-container-id-1 div.sk-label:hover label.sk-toggleable__label {\n",
+       "  color: var(--sklearn-color-text);\n",
+       "  background-color: var(--sklearn-color-unfitted-level-2);\n",
+       "}\n",
+       "\n",
+       "/* Label box, darken color on hover, fitted */\n",
+       "#sk-container-id-1 div.sk-label.fitted:hover label.sk-toggleable__label.fitted {\n",
+       "  color: var(--sklearn-color-text);\n",
+       "  background-color: var(--sklearn-color-fitted-level-2);\n",
+       "}\n",
+       "\n",
+       "/* Estimator label */\n",
+       "\n",
+       "#sk-container-id-1 div.sk-label label {\n",
+       "  font-family: monospace;\n",
+       "  font-weight: bold;\n",
+       "  display: inline-block;\n",
+       "  line-height: 1.2em;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-label-container {\n",
+       "  text-align: center;\n",
+       "}\n",
+       "\n",
+       "/* Estimator-specific */\n",
+       "#sk-container-id-1 div.sk-estimator {\n",
+       "  font-family: monospace;\n",
+       "  border: 1px dotted var(--sklearn-color-border-box);\n",
+       "  border-radius: 0.25em;\n",
+       "  box-sizing: border-box;\n",
+       "  margin-bottom: 0.5em;\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-0);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-estimator.fitted {\n",
+       "  /* fitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-0);\n",
+       "}\n",
+       "\n",
+       "/* on hover */\n",
+       "#sk-container-id-1 div.sk-estimator:hover {\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-2);\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 div.sk-estimator.fitted:hover {\n",
+       "  /* fitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-2);\n",
+       "}\n",
+       "\n",
+       "/* Specification for estimator info (e.g. \"i\" and \"?\") */\n",
+       "\n",
+       "/* Common style for \"i\" and \"?\" */\n",
+       "\n",
+       ".sk-estimator-doc-link,\n",
+       "a:link.sk-estimator-doc-link,\n",
+       "a:visited.sk-estimator-doc-link {\n",
+       "  float: right;\n",
+       "  font-size: smaller;\n",
+       "  line-height: 1em;\n",
+       "  font-family: monospace;\n",
+       "  background-color: var(--sklearn-color-background);\n",
+       "  border-radius: 1em;\n",
+       "  height: 1em;\n",
+       "  width: 1em;\n",
+       "  text-decoration: none !important;\n",
+       "  margin-left: 1ex;\n",
+       "  /* unfitted */\n",
+       "  border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
+       "  color: var(--sklearn-color-unfitted-level-1);\n",
+       "}\n",
+       "\n",
+       ".sk-estimator-doc-link.fitted,\n",
+       "a:link.sk-estimator-doc-link.fitted,\n",
+       "a:visited.sk-estimator-doc-link.fitted {\n",
+       "  /* fitted */\n",
+       "  border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
+       "  color: var(--sklearn-color-fitted-level-1);\n",
+       "}\n",
+       "\n",
+       "/* On hover */\n",
+       "div.sk-estimator:hover .sk-estimator-doc-link:hover,\n",
+       ".sk-estimator-doc-link:hover,\n",
+       "div.sk-label-container:hover .sk-estimator-doc-link:hover,\n",
+       ".sk-estimator-doc-link:hover {\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-3);\n",
+       "  color: var(--sklearn-color-background);\n",
+       "  text-decoration: none;\n",
+       "}\n",
+       "\n",
+       "div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover,\n",
+       ".sk-estimator-doc-link.fitted:hover,\n",
+       "div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover,\n",
+       ".sk-estimator-doc-link.fitted:hover {\n",
+       "  /* fitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-3);\n",
+       "  color: var(--sklearn-color-background);\n",
+       "  text-decoration: none;\n",
+       "}\n",
+       "\n",
+       "/* Span, style for the box shown on hovering the info icon */\n",
+       ".sk-estimator-doc-link span {\n",
+       "  display: none;\n",
+       "  z-index: 9999;\n",
+       "  position: relative;\n",
+       "  font-weight: normal;\n",
+       "  right: .2ex;\n",
+       "  padding: .5ex;\n",
+       "  margin: .5ex;\n",
+       "  width: min-content;\n",
+       "  min-width: 20ex;\n",
+       "  max-width: 50ex;\n",
+       "  color: var(--sklearn-color-text);\n",
+       "  box-shadow: 2pt 2pt 4pt #999;\n",
+       "  /* unfitted */\n",
+       "  background: var(--sklearn-color-unfitted-level-0);\n",
+       "  border: .5pt solid var(--sklearn-color-unfitted-level-3);\n",
+       "}\n",
+       "\n",
+       ".sk-estimator-doc-link.fitted span {\n",
+       "  /* fitted */\n",
+       "  background: var(--sklearn-color-fitted-level-0);\n",
+       "  border: var(--sklearn-color-fitted-level-3);\n",
+       "}\n",
+       "\n",
+       ".sk-estimator-doc-link:hover span {\n",
+       "  display: block;\n",
+       "}\n",
+       "\n",
+       "/* \"?\"-specific style due to the `<a>` HTML tag */\n",
+       "\n",
+       "#sk-container-id-1 a.estimator_doc_link {\n",
+       "  float: right;\n",
+       "  font-size: 1rem;\n",
+       "  line-height: 1em;\n",
+       "  font-family: monospace;\n",
+       "  background-color: var(--sklearn-color-background);\n",
+       "  border-radius: 1rem;\n",
+       "  height: 1rem;\n",
+       "  width: 1rem;\n",
+       "  text-decoration: none;\n",
+       "  /* unfitted */\n",
+       "  color: var(--sklearn-color-unfitted-level-1);\n",
+       "  border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 a.estimator_doc_link.fitted {\n",
+       "  /* fitted */\n",
+       "  border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
+       "  color: var(--sklearn-color-fitted-level-1);\n",
+       "}\n",
+       "\n",
+       "/* On hover */\n",
+       "#sk-container-id-1 a.estimator_doc_link:hover {\n",
+       "  /* unfitted */\n",
+       "  background-color: var(--sklearn-color-unfitted-level-3);\n",
+       "  color: var(--sklearn-color-background);\n",
+       "  text-decoration: none;\n",
+       "}\n",
+       "\n",
+       "#sk-container-id-1 a.estimator_doc_link.fitted:hover {\n",
+       "  /* fitted */\n",
+       "  background-color: var(--sklearn-color-fitted-level-3);\n",
+       "}\n",
+       "</style><div id=\"sk-container-id-1\" class=\"sk-top-container\"><div class=\"sk-text-repr-fallback\"><pre>NearestNeighbors()</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class=\"sk-container\" hidden><div class=\"sk-item\"><div class=\"sk-estimator fitted sk-toggleable\"><input class=\"sk-toggleable__control sk-hidden--visually\" id=\"sk-estimator-id-1\" type=\"checkbox\" checked><label for=\"sk-estimator-id-1\" class=\"sk-toggleable__label fitted sk-toggleable__label-arrow fitted\">&nbsp;NearestNeighbors<span class=\"sk-estimator-doc-link fitted\">i<span>Fitted</span></span></label><div class=\"sk-toggleable__content fitted\"><pre>NearestNeighbors()</pre></div> </div></div></div></div>"
+      ],
+      "text/plain": [
+       "NearestNeighbors()"
+      ]
+     },
+     "execution_count": 11,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "\n",
     "road_locs = road_nodes[['east', 'north']]\n",
@@ -192,7 +998,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -209,9 +1015,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "hospital coordinates:\n",
+      "easting     260713.17190\n",
+      "northing     56303.21875\n",
+      "Name: 10, dtype: float64\n"
+     ]
+    }
+   ],
    "source": [
     "SELECTED_RESULT = 10\n",
     "print('hospital coordinates:\\n', hospitals.loc[SELECTED_RESULT, ['easting', 'northing']], sep='')"
@@ -226,9 +1043,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 14,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "node_id:\n",
+      "0    118559\n",
+      "1    118560\n",
+      "2    118678\n",
+      "Name: 10, dtype: int64\n"
+     ]
+    }
+   ],
    "source": [
     "nearest_road_nodes = indices.iloc[SELECTED_RESULT, 0:3]\n",
     "print('node_id:\\n', nearest_road_nodes, sep='')"
@@ -243,18 +1072,41 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 15,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "road_node coordinates:\n",
+      "                 east         north\n",
+      "118559  260697.859375  56322.710938\n",
+      "118560  260722.812500  56207.925781\n",
+      "118678  260540.000000  56105.000000\n"
+     ]
+    }
+   ],
    "source": [
     "print('road_node coordinates:\\n', road_nodes.loc[nearest_road_nodes, ['east', 'north']], sep='')"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 16,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'status': 'ok', 'restart': True}"
+      ]
+     },
+     "execution_count": 16,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "import IPython\n",
     "app = IPython.Application.instance()\n",