type below:
brew update
brew install redis
To have launchd start redis now and restart at login:
brew services start redis
| # Terminal Cheat Sheet | |
| pwd # print working directory | |
| ls # list files in directory | |
| cd # change directory | |
| ~ # home directory | |
| .. # up one directory | |
| - # previous working directory | |
| help # get help | |
| -h # get help |
type below:
brew update
brew install redis
To have launchd start redis now and restart at login:
brew services start redis
| from flask import Flask, render_template | |
| from flask_bootstrap import Bootstrap | |
| from flask_wtf import Form | |
| from wtforms.fields import DateField | |
| app = Flask(__name__) | |
| app.config['SECRET_KEY'] = 'secret' | |
| Bootstrap(app) |
| import numpy as np | |
| from statsmodels.regression.linear_model import OLS | |
| from statsmodels.tsa.tsatools import lagmat, add_trend | |
| from statsmodels.tsa.adfvalues import mackinnonp | |
| def adf(ts, maxlag=1): | |
| """ | |
| Augmented Dickey-Fuller unit root test | |
| """ | |
| # make sure we are working with an array, convert if necessary |
Lecture 1: Introduction to Research — [📝Lecture Notebooks] [
Lecture 2: Introduction to Python — [📝Lecture Notebooks] [
Lecture 3: Introduction to NumPy — [📝Lecture Notebooks] [
Lecture 4: Introduction to pandas — [📝Lecture Notebooks] [
Lecture 5: Plotting Data — [📝Lecture Notebooks] [[
| import pandas as pd | |
| import numpy as np | |
| from bs4 import BeautifulSoup as soup | |
| from urllib.request import Request, urlopen | |
| pd.set_option('display.max_colwidth', 25) | |
| # Input | |
| symbol = input('Enter a ticker: ') | |
| print ('Getting data for ' + symbol + '...\n') |
| # Import packages | |
| import yfinance as yf | |
| import pandas as pd | |
| # Read and print the stock tickers that make up S&P500 | |
| tickers = pd.read_html( | |
| 'https://en.wikipedia.org/wiki/List_of_S%26P_500_companies')[0] | |
| print(tickers.head()) | |
| # Get the data for this tickers from yahoo finance |
| from urllib.parse import urlsplit | |
| import advertools as adv | |
| sites = [ | |
| 'https://www.who.int', | |
| 'https://www.nytimes.com', | |
| 'https://www.washingtonpost.com', | |
| ] |