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EITCA Academy

EITCA Academy

The European Information Technologies Certification Institute - EITCI ASBL

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EITCI Institute ASBL

Brussels, European Union

Governing European IT Certification (EITC) framework in support of the IT professionalism and Digital Society

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Questions and answers designated by tag: Training Phase

What is the difference between weights and biases in training of neural networks AI models?

Wednesday, 15 October 2025 by Daniel Ilie

The distinction between weights and biases is fundamental in the structure and operation of artificial neural networks, which are a cornerstone of modern machine learning systems. Understanding these two components and their respective roles during the training phase is important for interpreting how models learn from data and make predictions. 1. Overview of Weights and

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, First steps in Machine Learning, The 7 steps of machine learning
Tagged under: Artificial Intelligence, Bias, Machine Learning Theory, Neural Networks, Training Phase, Weights

What is the role of optimization algorithms such as stochastic gradient descent in the training phase of deep learning?

Tuesday, 08 August 2023 by EITCA Academy

Optimization algorithms, such as stochastic gradient descent (SGD), play a important role in the training phase of deep learning models. Deep learning, a subfield of artificial intelligence, focuses on training neural networks with multiple layers to learn complex patterns and make accurate predictions or classifications. The training process involves iteratively adjusting the model's parameters to

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, TensorFlow, Training and testing on data, Examination review
Tagged under: Artificial Intelligence, Deep Learning, Neural Networks, Optimization Algorithms, Stochastic Gradient Descent, Training Phase

What are the two main components of machine learning and how do they contribute to answering questions using data?

Wednesday, 02 August 2023 by EITCA Academy

Machine learning, a subfield of artificial intelligence, involves the development of algorithms and models that enable computers to learn from and make predictions or decisions based on data. In order to understand the main components of machine learning and their contribution to answering questions using data, it is important to consider the fundamental concepts of

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Introduction, What is machine learning, Examination review
Tagged under: Artificial Intelligence, Google Cloud, Inference Phase, Machine Learning, Training Phase
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EITCA Academy is a part of the European IT Certification framework

The European IT Certification framework has been established in 2008 as a Europe based and vendor independent standard in widely accessible online certification of digital skills and competencies in many areas of professional digital specializations. The EITC framework is governed by the European IT Certification Institute (EITCI), a non-profit certification authority supporting information society growth and bridging the digital skills gap in the EU.
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