assignments/assignment_yourname_class10.ipynb

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    "<a href=\"https://colab.research.google.com/github/jeffheaton/t81_558_deep_learning/blob/master/assignments/assignment_yourname_class10.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Important Note\n",
    "\n",
    "This assignment is from the older (Keras-based) version of this course and is no longer used for my class. You can find the current asignments here: [updated assignments](https://github.com/jeffheaton/app_deep_learning/tree/main/assignments)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# T81-558: Applications of Deep Neural Networks\n",
    "* Instructor: [Jeff Heaton](https://sites.wustl.edu/jeffheaton/), School of Engineering and Applied Science, [Washington University in St. Louis](https://engineering.wustl.edu/Programs/Pages/default.aspx)\n",
    "* For more information visit the [class website](https://sites.wustl.edu/jeffheaton/t81-558/).\n",
    "\n",
    "**Module 10 Assignment: Time Series Neural Network**\n",
    "\n",
    "**Student Name: Your Name**"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Assignment Instructions\n",
    "\n",
    "For this assignment, you will use an LSTM to predict a time series contained in the data file **[series-31-num.csv](https://data.heatonresearch.com/data/t81-558/datasets/series-31-num.csv)**.  The code that you will use to complete this will be similar to the sunspots example from the course module.  This data set contains two columns: *time* and *value*.  Create an LSTM network and train it with a sequence size of 5 and a prediction window of 1.  If you use a different sequence size, you will not have the correct number of submission rows. Train the neural network, the data set is relatively simple, and you should easily be able to get an RMSE below 1.0.  FYI, I generate this dataset by fitting a cubic spline to a series of random points. \n",
    "\n",
    "This file contains a time series data set, do not randomize the order of the rows!  For your training data, use all *time* values less than 3000, and for the test, use the remaining amounts greater than or equal to 3000. For the submit file, please send me the results of your test evaluation.  You should have two columns: *time* and *value*.  The column *time* should be the time at the beginning of each predicted sequence. The *value* should be the next value that your neural network predicted for each of the sequences.\n",
    "\n",
    "Your submission file will look similar to:\n",
    "\n",
    "|time|value|\n",
    "|-|-|\n",
    "|3000|37.022846|\n",
    "|3001|37.030582|\n",
    "|3002|37.03816|\n",
    "|3003|37.045563|\n",
    "|3004|37.0528|\n",
    "|...|...|"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Google CoLab Instructions\n",
    "\n",
    "If you are using Google CoLab, it will be necessary to mount your GDrive so that you can send your notebook during the submit process. Running the following code will map your GDrive to ```/content/drive```."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "try:\n",
    "    from google.colab import drive\n",
    "    drive.mount('/content/drive', force_remount=True)\n",
    "    COLAB = True\n",
    "    print(\"Note: using Google CoLab\")\n",
    "except:\n",
    "    print(\"Note: not using Google CoLab\")\n",
    "    COLAB = False"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Assignment Submit Function\n",
    "\n",
    "You will submit the ten programming assignments electronically.  The following **submit** function can be used to do this.  My server will perform a basic check of each assignment and let you know if it sees any underlying problems. \n",
    "\n",
    "**It is unlikely that should need to modify this function.**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import base64\n",
    "import os\n",
    "import numpy as np\n",
    "import pandas as pd\n",
    "import requests\n",
    "import PIL\n",
    "import PIL.Image\n",
    "import io\n",
    "\n",
    "# This function submits an assignment.  You can submit an assignment as much as you like, only the final\n",
    "# submission counts.  The paramaters are as follows:\n",
    "# data - List of pandas dataframes or images.\n",
    "# key - Your student key that was emailed to you.\n",
    "# no - The assignment class number, should be 1 through 1.\n",
    "# source_file - The full path to your Python or IPYNB file.  This must have \"_class1\" as part of its name.  \n",
    "# .             The number must match your assignment number.  For example \"_class2\" for class assignment #2.\n",
    "def submit(data,key,no,source_file=None):\n",
    "    if source_file is None and '__file__' not in globals(): raise Exception('Must specify a filename when a Jupyter notebook.')\n",
    "    if source_file is None: source_file = __file__\n",
    "    suffix = '_class{}'.format(no)\n",
    "    if suffix not in source_file: raise Exception('{} must be part of the filename.'.format(suffix))\n",
    "    with open(source_file, \"rb\") as image_file:\n",
    "        encoded_python = base64.b64encode(image_file.read()).decode('ascii')\n",
    "    ext = os.path.splitext(source_file)[-1].lower()\n",
    "    if ext not in ['.ipynb','.py']: raise Exception(\"Source file is {} must be .py or .ipynb\".format(ext))\n",
    "    payload = []\n",
    "    for item in data:\n",
    "        if type(item) is PIL.Image.Image:\n",
    "            buffered = BytesIO()\n",
    "            item.save(buffered, format=\"PNG\")\n",
    "            payload.append({'PNG':base64.b64encode(buffered.getvalue()).decode('ascii')})\n",
    "        elif type(item) is pd.core.frame.DataFrame:\n",
    "            payload.append({'CSV':base64.b64encode(item.to_csv(index=False).encode('ascii')).decode(\"ascii\")})\n",
    "    r= requests.post(\"https://api.heatonresearch.com/assignment-submit\",\n",
    "        headers={'x-api-key':key}, json={ 'payload': payload,'assignment': no, 'ext':ext, 'py':encoded_python})\n",
    "    if r.status_code==200:\n",
    "        print(\"Success: {}\".format(r.text))\n",
    "    else: print(\"Failure: {}\".format(r.text))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "# Assignment #10 Sample Code\n",
    "\n",
    "The following code provides a starting point for this assignment."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "def to_sequences(seq_size, obs):\n",
    "    x = []\n",
    "    y = []\n",
    "\n",
    "    for i in range(len(obs)-SEQUENCE_SIZE):\n",
    "        #print(i)\n",
    "        window = obs[i:(i+SEQUENCE_SIZE)]\n",
    "        after_window = obs[i+SEQUENCE_SIZE]\n",
    "        window = [[x] for x in window]\n",
    "        #print(\"{} - {}\".format(window,after_window))\n",
    "        x.append(window)\n",
    "        y.append(after_window)\n",
    "        \n",
    "    return np.array(x),np.array(y)\n",
    "    \n",
    "\n",
    "# This is your student key that I emailed to you at the beginnning of the semester.\n",
    "key = \"PPboscDL2M94HCbkbvfOLakXXNy3dh5x2VV1Mlpm\"  # This is an example key and will not work.\n",
    "\n",
    "# You must also identify your source file.  (modify for your local setup)\n",
    "# file='/content/drive/My Drive/Colab Notebooks/assignment_yourname_class10.ipynb'  # Google CoLab\n",
    "# file='C:\\\\Users\\\\jeffh\\\\projects\\\\t81_558_deep_learning\\\\assignments\\\\assignment_yourname_class10.ipynb'  # Windows\n",
    "file='/Users/jheaton/projects/t81_558_deep_learning/assignments/assignment_yourname_class10.ipynb'  # Mac/Linux\n",
    "\n",
    "# Read from time series file\n",
    "df = pd.read_csv(\"https://data.heatonresearch.com/data/t81-558/datasets/series-31-num.csv\")\n",
    "\n",
    "\n",
    "print(\"Starting file:\")\n",
    "print(df[0:10])\n",
    "\n",
    "print(\"Ending file:\")\n",
    "print(df[-10:])\n",
    "\n",
    "\n",
    "#submit(source_file=file,data=[df],key=key,no=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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