{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "fv9OoQsMFk5A"
   },
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "यस नोटबुकमा, हामीले कसरी:\n",
    "\n",
    "- २D समय श्रृंखला डेटा तयार गर्ने SVM रेग्रेसर मोडेलको प्रशिक्षणको लागि\n",
    "- RBF कर्नेल प्रयोग गरेर SVR कार्यान्वयन गर्ने\n",
    "- मोडेलको मूल्यांकन गर्ने प्लटहरू र MAPE प्रयोग गरेर\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import sys\n",
    "sys.path.append('../../')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "id": "M687KNlQFp0-"
   },
   "outputs": [],
   "source": [
    "import os\n",
    "import warnings\n",
    "import matplotlib.pyplot as plt\n",
    "import numpy as np\n",
    "import pandas as pd\n",
    "import datetime as dt\n",
    "import math\n",
    "\n",
    "from sklearn.svm import SVR\n",
    "from sklearn.preprocessing import MinMaxScaler\n",
    "from common.utils import load_data, mape"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "Cj-kfVdMGjWP"
   },
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "8fywSjC6GsRz"
   },
   "source": [
    "### डेटा लोड गर्नुहोस्\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 363
    },
    "id": "aBDkEB11Fumg",
    "outputId": "99cf7987-0509-4b73-8cc2-75d7da0d2740"
   },
   "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>load</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>2012-01-01 00:00:00</th>\n",
       "      <td>2698.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2012-01-01 01:00:00</th>\n",
       "      <td>2558.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2012-01-01 02:00:00</th>\n",
       "      <td>2444.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2012-01-01 03:00:00</th>\n",
       "      <td>2402.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2012-01-01 04:00:00</th>\n",
       "      <td>2403.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                       load\n",
       "2012-01-01 00:00:00  2698.0\n",
       "2012-01-01 01:00:00  2558.0\n",
       "2012-01-01 02:00:00  2444.0\n",
       "2012-01-01 03:00:00  2402.0\n",
       "2012-01-01 04:00:00  2403.0"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "energy = load_data('../../data')[['load']]\n",
    "energy.head(5)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "O0BWP13rGnh4"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 486
    },
    "id": "hGaNPKu_Gidk",
    "outputId": "7f89b326-9057-4f49-efbe-cb100ebdf76d"
   },
   "outputs": [],
   "source": [
    "energy.plot(y='load', subplots=True, figsize=(15, 8), fontsize=12)\n",
    "plt.xlabel('timestamp', fontsize=12)\n",
    "plt.ylabel('load', fontsize=12)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "IPuNor4eGwYY"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "id": "ysvsNyONGt0Q"
   },
   "outputs": [],
   "source": [
    "train_start_dt = '2014-11-01 00:00:00'\n",
    "test_start_dt = '2014-12-30 00:00:00'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 548
    },
    "id": "SsfdLoPyGy9w",
    "outputId": "d6d6c25b-b1f4-47e5-91d1-707e043237d7"
   },
   "outputs": [],
   "source": [
    "energy[(energy.index < test_start_dt) & (energy.index >= train_start_dt)][['load']].rename(columns={'load':'train'}) \\\n",
    "    .join(energy[test_start_dt:][['load']].rename(columns={'load':'test'}), how='outer') \\\n",
    "    .plot(y=['train', 'test'], figsize=(15, 8), fontsize=12)\n",
    "plt.xlabel('timestamp', fontsize=12)\n",
    "plt.ylabel('load', fontsize=12)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "XbFTqBw6G1Ch"
   },
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "अब, तपाईंले आफ्नो डेटा फिल्टरिङ्ग र स्केलिङ्ग गरेर प्रशिक्षणको लागि तयार गर्न आवश्यक छ।\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "cYivRdQpHDj3",
    "outputId": "a138f746-461c-4fd6-bfa6-0cee094c4aa1"
   },
   "outputs": [],
   "source": [
    "train = energy.copy()[(energy.index >= train_start_dt) & (energy.index < test_start_dt)][['load']]\n",
    "test = energy.copy()[energy.index >= test_start_dt][['load']]\n",
    "\n",
    "print('Training data shape: ', train.shape)\n",
    "print('Test data shape: ', test.shape)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 363
    },
    "id": "3DNntGQnZX8G",
    "outputId": "210046bc-7a66-4ccd-d70d-aa4a7309949c"
   },
   "outputs": [],
   "source": [
    "scaler = MinMaxScaler()\n",
    "train['load'] = scaler.fit_transform(train)\n",
    "train.head(5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 206
    },
    "id": "26Yht-rzZexe",
    "outputId": "20326077-a38a-4e78-cc5b-6fd7af95d301"
   },
   "outputs": [],
   "source": [
    "test['load'] = scaler.transform(test)\n",
    "test.head(5)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "x0n6jqxOQ41Z"
   },
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "fdmxTZtOQ8xs"
   },
   "source": [
    "हाम्रो SVR को लागि, हामी इनपुट डाटालाई `[batch, timesteps]` को रूपमा परिवर्तन गर्छौं। त्यसैले, हामी विद्यमान `train_data` र `test_data` लाई पुनःआकार दिन्छौं ताकि त्यहाँ नयाँ आयाम हो जसले timesteps लाई जनाउँछ। हाम्रो उदाहरणको लागि, हामी `timesteps = 5` लिन्छौं। त्यसैले, मोडेलको इनपुटहरू पहिलो ४ timesteps को डेटा हुनेछ, र आउटपुट ५औं timestep को डेटा हुनेछ।\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "id": "Rpju-Sc2HFm0"
   },
   "outputs": [],
   "source": [
    "# Converting to numpy arrays\n",
    "\n",
    "train_data = train.values\n",
    "test_data = test.values"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Selecting the timesteps\n",
    "\n",
    "timesteps=None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "O-JrsrsVJhUQ",
    "outputId": "c90dbe71-bacc-4ec4-b452-f82fe5aefaef"
   },
   "outputs": [],
   "source": [
    "# Converting data to 2D tensor\n",
    "\n",
    "train_data_timesteps=None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "exJD8AI7KE4g",
    "outputId": "ce90260c-f327-427d-80f2-77307b5a6318"
   },
   "outputs": [],
   "source": [
    "# Converting test data to 2D tensor\n",
    "\n",
    "test_data_timesteps=None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "id": "2u0R2sIsLuq5"
   },
   "outputs": [],
   "source": [
    "x_train, y_train = None\n",
    "x_test, y_test = None\n",
    "\n",
    "print(x_train.shape, y_train.shape)\n",
    "print(x_test.shape, y_test.shape)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "8wIPOtAGLZlh"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "id": "EhA403BEPEiD"
   },
   "outputs": [],
   "source": [
    "# Create model using RBF kernel\n",
    "\n",
    "model = None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "GS0UA3csMbqp",
    "outputId": "d86b6f05-5742-4c1d-c2db-c40510bd4f0d"
   },
   "outputs": [],
   "source": [
    "# Fit model on training data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "Rz_x8S3UrlcF"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "XR0gnt3MnuYS",
    "outputId": "157e40ab-9a23-4b66-a885-0d52a24b2364"
   },
   "outputs": [],
   "source": [
    "# Making predictions\n",
    "\n",
    "y_train_pred = None\n",
    "y_test_pred = None"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "_2epncg-SGzr"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Scaling the predictions\n",
    "\n",
    "y_train_pred = scaler.inverse_transform(y_train_pred)\n",
    "y_test_pred = scaler.inverse_transform(y_test_pred)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "xmm_YLXhq7gV",
    "outputId": "18392f64-4029-49ac-c71a-a4e2411152a1"
   },
   "outputs": [],
   "source": [
    "# Scaling the original values\n",
    "\n",
    "y_train = scaler.inverse_transform(y_train)\n",
    "y_test = scaler.inverse_transform(y_test)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "u3LBj93coHEi",
    "outputId": "d4fd49e8-8c6e-4bb0-8ef9-ca0b26d725b4"
   },
   "outputs": [],
   "source": [
    "# Extract the timesteps for x-axis\n",
    "\n",
    "train_timestamps = None\n",
    "test_timestamps = None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plt.figure(figsize=(25,6))\n",
    "# plot original output\n",
    "# plot predicted output\n",
    "plt.legend(['Actual','Predicted'])\n",
    "plt.xlabel('Timestamp')\n",
    "plt.title(\"Training data prediction\")\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "LnhzcnYtXHCm",
    "outputId": "f5f0d711-f18b-4788-ad21-d4470ea2c02b"
   },
   "outputs": [],
   "source": [
    "print('MAPE for training data: ', mape(y_train_pred, y_train)*100, '%')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 225
    },
    "id": "53Q02FoqQH4V",
    "outputId": "53e2d59b-5075-4765-ad9e-aed56c966583"
   },
   "outputs": [],
   "source": [
    "plt.figure(figsize=(10,3))\n",
    "# plot original output\n",
    "# plot predicted output\n",
    "plt.legend(['Actual','Predicted'])\n",
    "plt.xlabel('Timestamp')\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "clOAUH-SXCJG",
    "outputId": "a3aa85ff-126a-4a4a-cd9e-90b9cc465ef5"
   },
   "outputs": [],
   "source": [
    "print('MAPE for testing data: ', mape(y_test_pred, y_test)*100, '%')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "DHlKvVCId5ue"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "cOFJ45vreO0N",
    "outputId": "35628e33-ecf9-4966-8036-f7ea86db6f16"
   },
   "outputs": [],
   "source": [
    "# Extracting load values as numpy array\n",
    "data = None\n",
    "\n",
    "# Scaling\n",
    "data = None\n",
    "\n",
    "# Transforming to 2D tensor as per model input requirement\n",
    "data_timesteps=None\n",
    "\n",
    "# Selecting inputs and outputs from data\n",
    "X, Y = None, None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "id": "ESSAdQgwexIi"
   },
   "outputs": [],
   "source": [
    "# Make model predictions\n",
    "\n",
    "# Inverse scale and reshape\n",
    "Y_pred = None\n",
    "Y = None"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 328
    },
    "id": "M_qhihN0RVVX",
    "outputId": "a89cb23e-1d35-437f-9d63-8b8907e12f80"
   },
   "outputs": [],
   "source": [
    "plt.figure(figsize=(30,8))\n",
    "# plot original output\n",
    "# plot predicted output\n",
    "plt.legend(['Actual','Predicted'])\n",
    "plt.xlabel('Timestamp')\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "AcN7pMYXVGTK",
    "outputId": "7e1c2161-47ce-496c-9d86-7ad9ae0df770"
   },
   "outputs": [],
   "source": [
    "print('MAPE: ', mape(Y_pred, Y)*100, '%')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "\n---\n\n**अस्वीकरण**:  \nयो दस्तावेज़ AI अनुवाद सेवा [Co-op Translator](https://github.com/Azure/co-op-translator) प्रयोग गरेर अनुवाद गरिएको हो। हामी शुद्धताको लागि प्रयास गर्छौं, तर कृपया ध्यान दिनुहोस् कि स्वचालित अनुवादमा त्रुटिहरू वा अशुद्धताहरू हुन सक्छ। यसको मूल भाषा मा रहेको मूल दस्तावेज़लाई आधिकारिक स्रोत मानिनुपर्छ। महत्वपूर्ण जानकारीको लागि, व्यावसायिक मानव अनुवाद सिफारिस गरिन्छ। यस अनुवादको प्रयोगबाट उत्पन्न हुने कुनै पनि गलतफहमी वा गलत व्याख्याको लागि हामी जिम्मेवार हुने छैनौं।\n"
   ]
  }
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