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Analysis of variance (ANOVA): a basic tool for data analysis
Analysis of Variance (ANOVA) is a straightforward and widely used statistical technique for examining the relationship between two or more variables, especially between an explanatory variable and a target (or dependent) variable. ANOVA helps us understand if the explanatory variable influences the target variable and in what way. ANOVA is thus employed in diverse contexts […]
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Machine Learning Metrics: How to Evaluate a Model?
What is a metric in Machine Learning? Machine Learning allows computers to learn and make predictions or decisions based on data. There are two types of learning: supervised learning and unsupervised learning. In this article, we will focus on a supervised framework. For more details on the basics of Machine Learning and the difference between […]
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Metadata: What is it? What is it used for?
Data management becomes fundamental as datasets multiply. Among the solutions for efficient handling of large volumes of data, metadata stands out. But what exactly is it? What is it used for? What types are there? And how is it properly utilized? Liora answers your questions. What is metadata? Definition Metadata describes essential characteristics of a […]
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Artificial Intelligence : Definition, history and risks
Artificial intelligence is going to change the world, but it is still misunderstood by many people. Through this file, discover everything you need to know about AI: definition, functioning, history, different categories, case of use and applications… Artificial intelligence (AI) is such a vast and revolutionary technology that it is difficult to give a precise […]
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Large Language Models (LLM) : Everything you need to know
Since the end of 2022 and the massive worldwide use of ChatGPT, artificial intelligence-based language models have been attracting increasing interest, both from the general public and from businesses. So what are large language models? How do they work? What are they used for? What are their advantages? Find out in this article. What are […]
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Unraveling Machine Learning vs Deep Learning: Key Differences Explained
Today, data analysis is a key factor in business decision-making. This data needs to be pre-processed and analyzed using Artificial Intelligence (AI) and Machine Learning methods such as Deep Learning. AI has thus become a reality with multiple everyday applications, the number of which will only increase in the years to come. To help you […]
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Dropdown Excel: How does it work?
An essential function in Excel, the Dropdown Excel list facilitates data entry on spreadsheets, minimizing errors. But how do you create a drop-down list in Excel? Find out the answers. What is a Dropdown Excel List? The Dropdown Excel feature that creates a list of predefined choices in a cell. In this way, the user […]
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What are the 6 main competitors of ChatGPT?
Is it true that, currently, ChatGPT is the top notch conversational chatbot available in the market? However, could you be reluctant to shell out the monthly subscription fee that OpenAI requires for its premium version? Maybe you’re also keen on fostering competition and preventing a monopoly in this market space. So, what alternatives can we […]
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How to calculate a percentage in Excel ?
Percentages in Excel are like a compass in a sea of data: they transform figures with no context into a means of comparison and understanding of a specific situation. Percentages offer a straightforward method for illustrating relationships between numbers, useful for tasks like calculating price fluctuations, determining proportions, analyzing financial outcomes, or evaluating performance. This […]
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[2024] Business Analyst salary: how much do you earn in France and abroad?
Charged with analyzing data, writing specifications and building effective dashboards to help organizations make better decisions, the business analyst is a valuable resource. What is a Business Analyst? A Business Analyst is a key professional within organizations, acting as a bridge between IT functions and business operations. His or her main mission is to understand […]
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Data Analysis: Definition, use of cases and tools
Data Analysis is increasingly used in companies in all sectors. Find out everything you need to know about it. Thanks to digital technologies, companies now have access to vast amounts of data. Understanding and analyzing this information is a valuable asset. Data Analysis is the process of cleaning, transforming, and modeling data. The objectives? To […]
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Algorithm: What is it and what is it used for?
Algorithms are essential in computer science, especially for Data Science and Machine Learning. Find out everything you need to know about them: definition, functioning, use cases, training… The term “algorithm” derives from the name of the great Persian mathematician Al Khwarizmi, who lived around the year 820 and who introduced decimal numbering to the West […]
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