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phsamuel/stocks.ipynb

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Stock prediction exercise
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stocks.ipynb
{
"cells": [
{
"cell_type": "code",
"execution_count": 6,
"id": "speaking-water",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Requirement already satisfied: yfinance in /home/phsamuel/p3/lib/python3.8/site-packages (0.1.55)\n",
"Requirement already satisfied: multitasking>=0.0.7 in /home/phsamuel/p3/lib/python3.8/site-packages (from yfinance) (0.0.9)\n",
"Requirement already satisfied: pandas>=0.24 in /home/phsamuel/p3/lib/python3.8/site-packages (from yfinance) (1.2.1)\n",
"Requirement already satisfied: requests>=2.20 in /home/phsamuel/p3/lib/python3.8/site-packages (from yfinance) (2.22.0)\n",
"Requirement already satisfied: lxml>=4.5.1 in /home/phsamuel/p3/lib/python3.8/site-packages (from yfinance) (4.6.2)\n",
"Requirement already satisfied: numpy>=1.15 in /home/phsamuel/p3/lib/python3.8/site-packages (from yfinance) (1.20.0)\n",
"Requirement already satisfied: pytz>=2017.3 in /usr/lib/python3/dist-packages (from pandas>=0.24->yfinance) (2019.3)\n",
"Requirement already satisfied: python-dateutil>=2.7.3 in /usr/lib/python3/dist-packages (from pandas>=0.24->yfinance) (2.7.3)\n",
"Requirement already satisfied: pandas in /home/phsamuel/p3/lib/python3.8/site-packages (1.2.1)\n",
"Requirement already satisfied: pytz>=2017.3 in /usr/lib/python3/dist-packages (from pandas) (2019.3)\n",
"Requirement already satisfied: numpy>=1.16.5 in /home/phsamuel/p3/lib/python3.8/site-packages (from pandas) (1.20.0)\n",
"Requirement already satisfied: python-dateutil>=2.7.3 in /usr/lib/python3/dist-packages (from pandas) (2.7.3)\n"
]
}
],
"source": [
"# !pip install yfinance # uncomment these to install missing packages if they are not already installed\n",
"# !pip install pandas \n",
"\n",
"import yfinance as yf\n",
"import pandas as pd\n",
"\n",
"def get_price(tick,start='2020-10-01',end=None):\n",
" return yf.Ticker(tick).history(start=start,end=end)['Close']\n",
"\n",
"def get_prices(tickers,start='2020-10-01',end=None):\n",
" df=pd.DataFrame()\n",
" for s in tickers:\n",
" df[s]=get_price(s,start,end)\n",
" return df"
]
},
{
"cell_type": "markdown",
"id": "quick-cartoon",
"metadata": {},
"source": [
"# Prepare training and testing data sets"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "designed-storm",
"metadata": {},
"outputs": [],
"source": [
"feature_stocks=['tsla','fb','twtr','amzn','nflx','gbtc','gdx','intc','dal','c']\n",
"predict_stock='msft'\n",
"\n",
"# training set\n",
"start_date_train='2020-10-01'\n",
"end_date_train='2020-12-31'\n",
"\n",
"X_train=get_prices(feature_stocks,start=start_date_train,end=end_date_train)\n",
"y_train=get_prices([predict_stock],start=start_date_train,end=end_date_train)\n",
"\n",
"# testing set\n",
"start_date_test='2021-01-01' # end date omit, default is doday\n",
"X_test=get_prices(feature_stocks,start=start_date_test)\n",
"y_test=get_prices([predict_stock],start=start_date_test)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "former-sodium",
"metadata": {},
"outputs": [
{
"data": {
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"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>tsla</th>\n",
" <th>fb</th>\n",
" <th>twtr</th>\n",
" <th>amzn</th>\n",
" <th>nflx</th>\n",
" <th>gbtc</th>\n",
" <th>gdx</th>\n",
" <th>intc</th>\n",
" <th>dal</th>\n",
" <th>c</th>\n",
" </tr>\n",
" <tr>\n",
" <th>Date</th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" <th></th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>2020-10-01</th>\n",
" <td>448.160004</td>\n",
" <td>266.630005</td>\n",
" <td>46.700001</td>\n",
" <td>3221.260010</td>\n",
" <td>527.510010</td>\n",
" <td>10.870000</td>\n",
" <td>39.364471</td>\n",
" <td>51.862778</td>\n",
" <td>31.100000</td>\n",
" <td>42.545544</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-02</th>\n",
" <td>415.089996</td>\n",
" <td>259.940002</td>\n",
" <td>46.119999</td>\n",
" <td>3125.000000</td>\n",
" <td>503.059998</td>\n",
" <td>10.860000</td>\n",
" <td>38.767590</td>\n",
" <td>50.641655</td>\n",
" <td>31.750000</td>\n",
" <td>42.761013</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-05</th>\n",
" <td>425.679993</td>\n",
" <td>264.649994</td>\n",
" <td>47.310001</td>\n",
" <td>3199.199951</td>\n",
" <td>520.650024</td>\n",
" <td>11.280000</td>\n",
" <td>39.364471</td>\n",
" <td>51.316746</td>\n",
" <td>32.000000</td>\n",
" <td>43.985275</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-06</th>\n",
" <td>413.980011</td>\n",
" <td>258.660004</td>\n",
" <td>45.599998</td>\n",
" <td>3099.959961</td>\n",
" <td>505.869995</td>\n",
" <td>10.845000</td>\n",
" <td>37.912056</td>\n",
" <td>50.999058</td>\n",
" <td>31.059999</td>\n",
" <td>43.495571</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-07</th>\n",
" <td>425.299988</td>\n",
" <td>258.119995</td>\n",
" <td>45.869999</td>\n",
" <td>3195.689941</td>\n",
" <td>534.659973</td>\n",
" <td>10.970000</td>\n",
" <td>38.150806</td>\n",
" <td>52.289669</td>\n",
" <td>32.150002</td>\n",
" <td>43.916718</td>\n",
" </tr>\n",
" <tr>\n",
" <th>...</th>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-23</th>\n",
" <td>645.979980</td>\n",
" <td>268.109985</td>\n",
" <td>54.299999</td>\n",
" <td>3185.270020</td>\n",
" <td>514.479980</td>\n",
" <td>28.879999</td>\n",
" <td>35.919998</td>\n",
" <td>46.570000</td>\n",
" <td>40.240002</td>\n",
" <td>60.266277</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-24</th>\n",
" <td>661.770020</td>\n",
" <td>267.399994</td>\n",
" <td>53.970001</td>\n",
" <td>3172.689941</td>\n",
" <td>513.969971</td>\n",
" <td>27.350000</td>\n",
" <td>36.029999</td>\n",
" <td>47.070000</td>\n",
" <td>39.730000</td>\n",
" <td>60.058056</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-28</th>\n",
" <td>663.690002</td>\n",
" <td>277.000000</td>\n",
" <td>54.430000</td>\n",
" <td>3283.959961</td>\n",
" <td>519.119995</td>\n",
" <td>30.450001</td>\n",
" <td>35.689999</td>\n",
" <td>47.070000</td>\n",
" <td>40.150002</td>\n",
" <td>60.613323</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-29</th>\n",
" <td>665.989990</td>\n",
" <td>276.779999</td>\n",
" <td>54.360001</td>\n",
" <td>3322.000000</td>\n",
" <td>530.869995</td>\n",
" <td>30.080000</td>\n",
" <td>35.740002</td>\n",
" <td>49.389999</td>\n",
" <td>40.029999</td>\n",
" <td>60.395180</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-30</th>\n",
" <td>694.780029</td>\n",
" <td>271.869995</td>\n",
" <td>54.330002</td>\n",
" <td>3285.850098</td>\n",
" <td>524.590027</td>\n",
" <td>32.900002</td>\n",
" <td>36.560001</td>\n",
" <td>48.750000</td>\n",
" <td>40.560001</td>\n",
" <td>60.345604</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"<p>63 rows × 10 columns</p>\n",
"</div>"
],
"text/plain": [
" tsla fb twtr amzn nflx \\\n",
"Date \n",
"2020-10-01 448.160004 266.630005 46.700001 3221.260010 527.510010 \n",
"2020-10-02 415.089996 259.940002 46.119999 3125.000000 503.059998 \n",
"2020-10-05 425.679993 264.649994 47.310001 3199.199951 520.650024 \n",
"2020-10-06 413.980011 258.660004 45.599998 3099.959961 505.869995 \n",
"2020-10-07 425.299988 258.119995 45.869999 3195.689941 534.659973 \n",
"... ... ... ... ... ... \n",
"2020-12-23 645.979980 268.109985 54.299999 3185.270020 514.479980 \n",
"2020-12-24 661.770020 267.399994 53.970001 3172.689941 513.969971 \n",
"2020-12-28 663.690002 277.000000 54.430000 3283.959961 519.119995 \n",
"2020-12-29 665.989990 276.779999 54.360001 3322.000000 530.869995 \n",
"2020-12-30 694.780029 271.869995 54.330002 3285.850098 524.590027 \n",
"\n",
" gbtc gdx intc dal c \n",
"Date \n",
"2020-10-01 10.870000 39.364471 51.862778 31.100000 42.545544 \n",
"2020-10-02 10.860000 38.767590 50.641655 31.750000 42.761013 \n",
"2020-10-05 11.280000 39.364471 51.316746 32.000000 43.985275 \n",
"2020-10-06 10.845000 37.912056 50.999058 31.059999 43.495571 \n",
"2020-10-07 10.970000 38.150806 52.289669 32.150002 43.916718 \n",
"... ... ... ... ... ... \n",
"2020-12-23 28.879999 35.919998 46.570000 40.240002 60.266277 \n",
"2020-12-24 27.350000 36.029999 47.070000 39.730000 60.058056 \n",
"2020-12-28 30.450001 35.689999 47.070000 40.150002 60.613323 \n",
"2020-12-29 30.080000 35.740002 49.389999 40.029999 60.395180 \n",
"2020-12-30 32.900002 36.560001 48.750000 40.560001 60.345604 \n",
"\n",
"[63 rows x 10 columns]"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"X_train"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "round-stadium",
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
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" .dataframe thead th {\n",
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"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>msft</th>\n",
" </tr>\n",
" <tr>\n",
" <th>Date</th>\n",
" <th></th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>2020-10-01</th>\n",
" <td>211.905228</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-02</th>\n",
" <td>205.651596</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-05</th>\n",
" <td>209.830658</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-06</th>\n",
" <td>205.372330</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-10-07</th>\n",
" <td>209.282089</td>\n",
" </tr>\n",
" <tr>\n",
" <th>...</th>\n",
" <td>...</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-23</th>\n",
" <td>221.020004</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-24</th>\n",
" <td>222.750000</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-28</th>\n",
" <td>224.960007</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-29</th>\n",
" <td>224.149994</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2020-12-30</th>\n",
" <td>221.679993</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"<p>63 rows × 1 columns</p>\n",
"</div>"
],
"text/plain": [
" msft\n",
"Date \n",
"2020-10-01 211.905228\n",
"2020-10-02 205.651596\n",
"2020-10-05 209.830658\n",
"2020-10-06 205.372330\n",
"2020-10-07 209.282089\n",
"... ...\n",
"2020-12-23 221.020004\n",
"2020-12-24 222.750000\n",
"2020-12-28 224.960007\n",
"2020-12-29 224.149994\n",
"2020-12-30 221.679993\n",
"\n",
"[63 rows x 1 columns]"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"y_train"
]
},
{
"cell_type": "markdown",
"id": "written-antibody",
"metadata": {},
"source": [
"# Convert training and testing data into numpy array"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "hired-findings",
"metadata": {},
"outputs": [],
"source": [
"import numpy as np\n",
"\n",
"X_train=np.array(X_train)\n",
"y_train=np.array(y_train)\n",
"X_test=np.array(X_test)\n",
"y_test=np.array(y_test)\n"
]
},
{
"cell_type": "markdown",
"id": "helpful-metadata",
"metadata": {},
"source": [
"# Use linear regression to predict msft stock price from the other stocks' prices "
]
},
{
"cell_type": "markdown",
"id": "southeast-equivalent",
"metadata": {},
"source": [
"## 1. Append a dummy feature to both X_train and X_test"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "connected-nursing",
"metadata": {},
"outputs": [],
"source": [
"# Your solution here"
]
},
{
"cell_type": "markdown",
"id": "romance-pharmaceutical",
"metadata": {},
"source": [
"## 2. Find the best linear regression model based on your training data ($w=(X X')^{-1} X y$)\n",
"### Note that you may need to transpose the matrices to make things work\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "emotional-vacation",
"metadata": {},
"outputs": [],
"source": [
"# Your solution here"
]
},
{
"cell_type": "markdown",
"id": "understood-vacation",
"metadata": {},
"source": [
"## 3. Report your training and testing error\n",
"### How far your prediction from the actual price. Compute the mean square error for both training and testing"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "crude-breeding",
"metadata": {},
"outputs": [],
"source": [
"# Your solution here"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "stainless-circuit",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "sticky-portland",
"metadata": {},
"outputs": [],
"source": []
}
],
"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",
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"pygments_lexer": "ipython3",
"version": "3.8.5"
}
},
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"nbformat_minor": 5
}
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