Basic Web Scraping Tutorial -Federal Reserve Balance Sheet

Web scraping is an important part of the data science process. It is also a huge pain, but if you can wade through all the html of a page you often come away with something useful. The Federal Reserve posts weekly balance sheet data that outlines its holdings and use of funds- which is particularly interesting currently given the massive stimulus it has announced in response to COVID-19. When you get down to it, the data provided (the Fed’s balance sheet) is a wall of text posted in the form of a downloadable pdf file or basic html file. There is no tool to view the data historically or way to aggregate and view it online. So I took it upon myself to try and scrape it. This is an introduction to my process.

#federal-reserve #beautifulsoup #web-scraping #python

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Basic Web Scraping Tutorial -Federal Reserve Balance Sheet

Basic Web Scraping Tutorial -Federal Reserve Balance Sheet

Web scraping is an important part of the data science process. It is also a huge pain, but if you can wade through all the html of a page you often come away with something useful. The Federal Reserve posts weekly balance sheet data that outlines its holdings and use of funds- which is particularly interesting currently given the massive stimulus it has announced in response to COVID-19. When you get down to it, the data provided (the Fed’s balance sheet) is a wall of text posted in the form of a downloadable pdf file or basic html file. There is no tool to view the data historically or way to aggregate and view it online. So I took it upon myself to try and scrape it. This is an introduction to my process.

#federal-reserve #beautifulsoup #web-scraping #python

Sival Alethea

Sival Alethea

1624402800

Beautiful Soup Tutorial - Web Scraping in Python

The Beautiful Soup module is used for web scraping in Python. Learn how to use the Beautiful Soup and Requests modules in this tutorial. After watching, you will be able to start scraping the web on your own.
📺 The video in this post was made by freeCodeCamp.org
The origin of the article: https://www.youtube.com/watch?v=87Gx3U0BDlo&list=PLWKjhJtqVAbnqBxcdjVGgT3uVR10bzTEB&index=12
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#web scraping #python #beautiful soup #beautiful soup tutorial #web scraping in python #beautiful soup tutorial - web scraping in python

Tutorial: Web Scraping with Python Using Beautiful Soup

The internet is an absolutely massive source of data. Unfortunately, the vast majority if it isn’t available in conveniently organized CSV files for download and analysis. If you want to capture data from many websites, you’ll need to try web scraping.

Don’t worry if you’re still a total beginner — in this tutorial we’re going to cover how to do web scraping with Python from scratch, starting with some answers to frequently-asked questions about web scraping.

If you’re already familiar with the concept, feel free to scroll past these and jump right into the tutorial!

What is Web Scraping in Python?

Some websites offer data sets that are downloadable in CSV format, or accessible via an Application Programming Interface (API). But many websites with useful data don’t offer these convenient options.

Consider, for example, the National Weather Service’s website. It contains up-to-date weather forecasts for every location in the US, but that weather data isn’t accessible as a CSV or via API. It has to be viewed on the NWS site.

If we wanted to analyze this data, or download it for use in some other app, we wouldn’t want to painstakingly copy-paste everything. Web scraping is a technique that lets us use programming to do the heavy lifting. We’ll write some code that looks at the NWS site, grabs just the data we want to work with, and outputs it in the format we need.

In this tutorial, we’ll show you how to perform web scraping using Python 3 and the Beautiful Soup library. We’ll be scraping weather forecasts from the National Weather Service, and then analyzing them using the Pandas library.

#data science tutorials #beautiful soup #beautifulsoup #intermediate #learn python #pandas #python #tutorial #tutorials #web scraping

Autumn  Blick

Autumn Blick

1603805749

What's the Link Between Web Automation and Web Proxies?

Web automation and web scraping are quite popular among people out there. That’s mainly because people tend to use web scraping and other similar automation technologies to grab information they want from the internet. The internet can be considered as one of the biggest sources of information. If we can use that wisely, we will be able to scrape lots of important facts. However, it is important for us to use appropriate methodologies to get the most out of web scraping. That’s where proxies come into play.

How Can Proxies Help You With Web Scraping?

When you are scraping the internet, you will have to go through lots of information available out there. Going through all the information is never an easy thing to do. You will have to deal with numerous struggles while you are going through the information available. Even if you can use tools to automate the task and overcome struggles, you will still have to invest a lot of time in it.

When you are using proxies, you will be able to crawl through multiple websites faster. This is a reliable method to go ahead with web crawling as well and there is no need to worry too much about the results that you are getting out of it.

Another great thing about proxies is that they will provide you with the chance to mimic that you are from different geographical locations around the world. While keeping that in mind, you will be able to proceed with using the proxy, where you can submit requests that are from different geographical regions. If you are keen to find geographically related information from the internet, you should be using this method. For example, numerous retailers and business owners tend to use this method in order to get a better understanding of local competition and the local customer base that they have.

If you want to try out the benefits that come along with web automation, you can use a free web proxy. You will be able to start experiencing all the amazing benefits that come along with it. Along with that, you will even receive the motivation to take your automation campaigns to the next level.

#automation #web #proxy #web-automation #web-scraping #using-proxies #website-scraping #website-scraping-tools

Osiki  Douglas

Osiki Douglas

1624595434

How POST Requests with Python Make Web Scraping Easier

When scraping a website with Python, it’s common to use the

urllibor theRequestslibraries to sendGETrequests to the server in order to receive its information.

However, you’ll eventually need to send some information to the website yourself before receiving the data you want, maybe because it’s necessary to perform a log-in or to interact somehow with the page.

To execute such interactions, Selenium is a frequently used tool. However, it also comes with some downsides as it’s a bit slow and can also be quite unstable sometimes. The alternative is to send a

POSTrequest containing the information the website needs using the request library.

In fact, when compared to Requests, Selenium becomes a very slow approach since it does the entire work of actually opening your browser to navigate through the websites you’ll collect data from. Of course, depending on the problem, you’ll eventually need to use it, but for some other situations, a

POSTrequest may be your best option, which makes it an important tool for your web scraping toolbox.

In this article, we’ll see a brief introduction to the

POSTmethod and how it can be implemented to improve your web scraping routines.

#python #web-scraping #requests #web-scraping-with-python #data-science #data-collection #python-tutorials #data-scraping