In the previous NLTK tutorial, you learned what frequency distribution is. Now, you will learn how what a corpus is and how to use it with NLTK.
This is the first part of the series that will introduce you to the NLTK module. In this tutorial, you will learn how to set up your NLTK and start with some of the functions in the module.
Edit Distance (a.k.a. Levenshtein Distance) is a measure of similarity between two strings referred to as the source string and the target string.
The distance between the source string and the target string is the minimum number of edit operations (deletions, insertions, or substitutions) required to transform the source into the target. The lower the distance, the more similar the two strings.
In this chatbot tutorial, you will learn the basic concepts behind building a Chatbot. By the end of this tutorial, you will be able to create a simple Facebook chatbot bot.
In this tutorial, we introduce one of most common NLP and Text Mining tasks, that of Document Classification. Note that while being common, it is far from useless, as the problem of classifying content is a constant hurdle we humans face every day. It is important to know basic elements of this problem since many of them can be used for other tasks such as sentiment analysis.
Neste tutorial, você vai aprender como logar em site que requerem um usuário e uma senha antes de mostrar páginas específicas.
Continue reading “Logando com o Scrapy FormRequest”
In this tutorial, you will learn how to use Scrapy to log into websites that require entering a username and password before showing specific pages.
Continue reading “Logging in with Scrapy FormRequest”
With online courses, you can study anywhere, at the time suitable for you, get full lifetime access, and a Certificate of Completion. It is a wonderful experience that enables you to be taught by international skillful instructors whom you might not get the chance to meet otherwise. Nowadays, e-learning is a great advantage of technology that enables you to easily improve your skills and enjoy the learning experience.
In this article, we are trying to recommend the 11 best Python courses currently available on Udemy, the prominent online courses platform.
Today, we are going to learn about Scrapy; what Scrapy is overall, Scrapy versus other Python-based web scraping tools, why you should use it and when it makes sense to use some other tools, pros and cons of Scrapy, and that would be it. So let’s begin! Continue reading “Python Web Scraping Libraries: BeautifulSoup vs. Scrapy vs. Selenium”
Some APIs require authentication (API Key or Client ID and Client Secret, similar to a username and password, so to speak) to control their usage, and some do not. We will explain this later in multiple APIs. For the purpose of clarifying the basics, we will start with a very simple currency rate conversion API that does not require any authentication.
In this tutorial, you will learn how to use Python to extract data from ExchangeRatesAPI.io which is -according to its official website- “a free service for current and historical foreign exchange rates published by the European Central Bank.” Continue reading “Data Extraction from APIs with Python – Currency Exchange”