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Database: what is it, and how does it work?
Databases are used to store and manipulate data. Find out everything you need to know about it, and why you should start a Data Management course. To understand what a database is, it is important to first understand what data is. Simply put, it is information that can be linked to any object. They can […]
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Big Data: Definition, technologies, uses and training
Big Data refers to the large amount of data collected by companies in all industries, analyzed to derive valuable insights. Find out everything you need to know about the subject. What is called Big Data? Before defining Big Data it is important to understand what Data is. This term defines quantities, characters or symbols that […]
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Java: Fundamentals explained (JDK, JRE and JVM)
Java is a high-level object-oriented programming language developed by James Gosling and Patrick Naughton. It is one of the most widely used programming languages in the world, thanks to its scalability, rigor and portability. These characteristics mean that it is frequently used to develop a wide range of applications, from desktop to mobile and Web […]
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Jupyter Notebook: An indispensable code-sharing tool
Jupyter Notebook is a web application that lets you create electronic notebooks capable of combining text, images, computer code or equations, all in the same document. In the interests of readability and document source code utilization, it’s best to run the application from the same interface, and see changes in real time. This is exactly […]
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The importance of Cross Validation
Cross-Validation is a method for testing the performance of a Machine Learning predictive model. Discover the most commonly used techniques and how to learn to master them. After training a Machine Learning model on labeled data, it is supposed to work on new data. However, it’s essential to ensure the accuracy of the model’s predictions […]
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INSERT INTO SQL: Insert data with this SQL query
To insert data into your SQL table, you can use the INSERT INTOSQL query. But how does it work? That’s what we’re going to look at in this article. What is an INSERT INTO SQL request? INSERT INTO SQL is one of the most commonly used commands in the SQL language. And with good reason: […]
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KNN: What is the KNN Algorithm ?
The K-Nearest Neighbors (KNN) algorithm is a machine learning algorithm belonging to the class of simple and easy-to-implement supervised learning algorithms. It can be used to solve classification and regression problems. In this article, we will delve into the definition of this algorithm, how it works, and provide a practical programming application. KNN : Definition […]
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Alteryx: What is it? How does it work?
In the digital age, businesses collect thousands of pieces of data every day, which are essential to their development. As technology develops, more and more data is created, to the point where analysing it becomes back-breaking. To make this task easier, many tools, such as Alteryx, offer to centralise and analyse the newly formed data. […]
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Demystifying SQL Index: Understanding its Purpose and Functionality
An SQL index enables you to quickly locate the data you’re looking for in a relational database. Find out all you need to know about this valuable tool, and why it’s so useful in Data Science! Efficient access to information is a priority in Data Science. That’s why professionals use databases to manage, store and […]
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