Otávio Simões Silveira
Otávio is an economist and data scientist from Brazil. In his free time, he writes about Python and Data Science on the internet. You can find him at LinkedIn.
11 articles
Otávio Simões Silveira
Otávio is an economist and data scientist from Brazil. In his free time, he writes about Python and Data Science on the internet. You can find him at LinkedIn.
11 articles
- Article
A Beginner's Guide to Unit Tests in Python
Unit tests in Python are for testing small pieces of code, typically a single function, referred to as a unit. Here's how to use them.
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Python Deque Function: A Better Choice for Queues and Stacks
Learn how the deque() function from the collections module can be a much better choice when you need to implement queues and stacks in Python
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6 Must-Know Data Visualization Techniques
Many data science newcomers take data visualization techniques for granted. Why is it so important to plot a simple chart? Let us show you.
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Tutorial: Clustering in Machine Learning
Clustering is a common task in unsupervised machine learning. In this tutorial, we'll help you get started using the k-means algorithm.
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15 Must-Know Data Science Tools for Beginners
Learn about 15 tools used in data science, including Python, SQL, Git, and Airflow, and how they support different roles across the field.
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An Uncomplicated Guide to Unsupervised Machine Learning
In unsupervised machine learning, data scientists have to analyze the outputs and understand the pattern the algorithm found in the data.
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How to Use Python Data Classes (A Beginner's Guide)
The dataclasses module provides a way to create data classes simply — without the need to write any methods.
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Python Subprocess: The Simple Beginner's Tutorial
In this article, we'll demonstrate how to use the subprocess module in Python to run different subprocesses during a regular Python script.
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Data Types in Python (A Simple Beginner's Guide)
Python implements multiple data types, so programmers need to know their options — and when to use each one. Here's what you need to know.
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How to Install MySQL on Windows: A Simple Guide
MySQL is a light, open-source, easy-to-install database management system. Here's how to get a MySQL server operating on your machine.
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SQL Subqueries: A Beginner's Guide (with Code Examples)
Every data scientist needs to know their way around a SQL database. Here’s an introduction to using subqueries.
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