PivotTable function
Excel’s PivotTable function is a tool of choice for Data Analysts. It brings to Microsoft’s spreadsheet software functions that are usually found in database management systems: analysis exploration synthesis In other words, it can be used to group data from a table and obtain statistical information on all or part of the data. New with […]
Q-learning – Machine Learning with reinforcement learning
Reinforcement learning is a Machine Learning method that enables complex tasks to be performed autonomously. The aim of this article is to help you understand Q-learning and save time when implementing this type of solution. Even more recently, this family of algorithms made headlines in e-sports with the release of AlphaStar, an algorithm developed to […]
Deep Convolutional GANs: Unleashing Creativity Through Convolution
Neural networks are now ubiquitous in the data world, but if there’s one innovative concept that has emerged in recent years, it’s GANs. These networks, which learn by confronting each other, are particularly effective, and if this concept is combined with state-of-the-art image processing techniques, you get what we are going to discuss in this […]
Dust: What is it? How can it be used for prompt engineering?
With the proliferation of generative AI tools, mastering the art of writing prompts is proving more than essential. But at the speed at which artificial intelligence solutions are evolving, many users are feeling lost. That’s when Dust was born. This prompt engineering tool helps users not only to write relevant guided messages, but also to […]
Sentiment Analysis: Harnessing the Power of Machine Learning
Sentiment analysis is a technique that has developed strongly in tandem with social networking, where users can express themselves on a massive scale and constantly share their feelings. Sentiment analysis aims to determine the emotional tone of a speech by classifying it in different categories, such as positive, negative or neutral. It is popular with […]
IaaS (Infrastructure as a Service): everything you need to know
An IaaS, or Infrastructure as a Service, enables you to operate computing resources remotely via the Cloud. Find out all you need to know about this revolutionary technology, and its usefulness in Data Science. Data Science offers a myriad of opportunities for businesses, not least in understanding trends and making data-driven strategic decisions. However, this […]
Prompt: What is it? How do I use it?
With the democratisation of the use of AI, new skills are emerging. In particular, the art of mastering prompts. These seemingly simple instructions enable the full potential of artificial intelligence to be exploited. But what are they? How can prompts be used? And above all, how do you write good prompts? That’s what we’re going […]
jQuery: What is it and why use it?
Introduction and background jQuery is a fast, lightweight, yet feature-rich Javascript library. It greatly simplifies Javascript programming by providing an easy-to-use interface for many common tasks. With jQuery, developers can achieve more with less code, and make their websites faster and more interactive with ease. The jQuery library was developed in 2006 by John Resig. […]
Cyber attacks: Definition and modus operandi
One morning, users turn on their computers and discover that access is blocked… The website is down and no transactions can be recorded. Many companies have experienced this disaster scenario. What are cyber attacks and how can you do your best to avoid them? Ask CEOs in the major democracies: “What is the main threat […]
Stable Diffusion XL: the enhanced version of Stable Diffusion
With ChatGPT, BARD, PaLM 2… we have easier and easier access to tools based on artificial intelligence. The best known use natural language processing. But they are far from the only ones. And yes, it’s not just written texts or oral discourse that make human communication so special. There are also visuals, such as photos, […]
What is a root mean square error?
The root mean square error (RMSE) is an indicator for verifying the reliability of a model. This tool studies the discrepancies between the values actually observed and the values predicted by the model. The squared error is a value that is always positive. The closer the values obtained with the model are to the observed […]
DevOps Freelance Hourly Rate: How much can you earn?
The result of collaboration between the “Development” and “Operations” teams, DevOps takes on a dual role. They are responsible for creating web or software applications, as well as deploying and operating them. If they can’t recruit, some companies choose to call on the services of a DevOps consultant. But what is the DevOps Freelance Hourly […]
