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EITCA Academy

EITCA Academy

The European Information Technologies Certification Institute - EITCI ASBL

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EITCI Institute ASBL

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Questions and answers designated by tag: Data Visualization

How would you use Facets Overview and Deep Dive to audit a network traffic dataset, detect critical imbalances, and prevent data poisoning attacks in an AI pipeline applied to cybersecurity?

Thursday, 30 October 2025 by JOSE ALFONSIN PENA

Facets is an open-source visualization tool designed to facilitate the understanding and analysis of machine learning datasets. It provides two primary modules: Facets Overview and Facets Deep Dive. These modules are particularly valuable in fields where data quality, class balance, and anomaly detection are vital—such as in cybersecurity applications for network traffic analysis. Using these

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Google tools for Machine Learning, Visualizing data with Facets
Tagged under: Artificial Intelligence, Class Imbalance, Cybersecurity, Data Poisoning Prevention, Data Visualization, Dataset Auditing

If you are preparing a machine learning pipeline in Python, how would you integrate Facets Overview and Facets Deep Dive into your workflow to detect class imbalances and outliers before training a model with TensorFlow?

Thursday, 30 October 2025 by JOSE ALFONSIN PENA

Integrating Facets Overview and Facets Deep Dive within a Python-based machine learning pipeline provides significant benefits for exploratory data analysis, specifically in identifying class imbalances and outliers prior to model development with TensorFlow. Both tools, developed by Google, are designed to facilitate a thorough and interactive understanding of datasets, which is vital for constructing reliable

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Google tools for Machine Learning, Visualizing data with Facets
Tagged under: Artificial Intelligence, Class Imbalance, Data Visualization, EDA, Jupyter, Outlier Detection, TensorFlow

What is a deep neural network?

Monday, 13 January 2025 by Robixon

A deep neural network (DNN) is a type of artificial neural network (ANN) characterized by multiple layers of nodes, or neurons, that enable the modeling of complex patterns in data. It is a foundational concept in the field of artificial intelligence and machine learning, particularly in the development of sophisticated models that can perform tasks

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, First steps in Machine Learning, TensorBoard for model visualization
Tagged under: Artificial Intelligence, Data Visualization, Deep Learning, Model Training, Neural Networks, TensorFlow

Should one use a tensor board for practical analysis of a PyTorch run neural network model or matplotlib is enough?

Thursday, 14 March 2024 by Dimitrios Efstathiou

TensorBoard and Matplotlib are both powerful tools used for visualizing data and model performance in deep learning projects implemented in PyTorch. While Matplotlib is a versatile plotting library that can be used to create various types of graphs and charts, TensorBoard offers more specialized features tailored specifically for deep learning tasks. In this context, the

  • Published in Artificial Intelligence, EITC/AI/DLPP Deep Learning with Python and PyTorch, Introduction, Introduction to deep learning with Python and Pytorch
Tagged under: Artificial Intelligence, Data Visualization, Deep Learning, Matplotlib, PyTorch, TensorBoard

What are the advantages of storing the landmark information in a tabular format using the pandas module?

Wednesday, 27 December 2023 by EITCA Academy

Storing landmark information in a tabular format using the pandas module offers several advantages in the field of advanced image understanding, specifically in the context of detecting landmarks with the Google Vision API. This approach allows for efficient data manipulation, analysis, and visualization, enhancing the overall workflow and facilitating the extraction of valuable insights from

  • Published in Artificial Intelligence, EITC/AI/GVAPI Google Vision API, Advanced images understanding, Detecting landmarks, Examination review
Tagged under: Artificial Intelligence, Data Analysis, Data Manipulation, Data Visualization, Python, Statistical Analysis

How can a line graph be visualized in the TensorFlow.js web application?

Tuesday, 08 August 2023 by EITCA Academy

A line graph is a powerful visualization tool that can be used to represent data in a TensorFlow.js web application. TensorFlow.js is a JavaScript library that allows developers to build and train machine learning models directly in the browser. By incorporating line graphs into the web application, users can effectively analyze and interpret data trends

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, Deep learning in the browser with TensorFlow.js, Basic TensorFlow.js web application, Examination review
Tagged under: Artificial Intelligence, Chart.js, Data Visualization, Line Graph, TensorFlow.js, Web Application

How can we display the pixel arrays of the lung scan slices using matplotlib?

Tuesday, 08 August 2023 by EITCA Academy

To display the pixel arrays of the lung scan slices using matplotlib, we can follow a step-by-step process. Matplotlib is a widely used Python library for data visualization, and it provides various functions and tools to create high-quality plots and images. First, we need to import the necessary libraries. We will import the matplotlib library

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, 3D convolutional neural network with Kaggle lung cancer detection competiton, Visualizing, Examination review
Tagged under: Artificial Intelligence, Data Visualization, Lung Scans, Matplotlib, Pixel Arrays, Python

What are some of the attributes provided by SVM that can be useful for analysis and visualization? How can the number of support vectors and their locations be interpreted?

Monday, 07 August 2023 by EITCA Academy

Support Vector Machines (SVM) are a powerful machine learning algorithm that can be used for analysis and visualization tasks. SVMs provide several attributes that are useful for these purposes. In this answer, we will discuss some of these attributes and how they can be interpreted. 1. Margin: One of the key attributes of SVM is

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Support vector machine, SVM parameters, Examination review
Tagged under: Artificial Intelligence, Data Analysis, Data Visualization, Machine Learning, Support Vector Machines, SVM

How can we visually determine the class to which a new point belongs using the scatter plot?

Monday, 07 August 2023 by EITCA Academy

In the field of machine learning, one popular algorithm for classification tasks is the K nearest neighbors (KNN) algorithm. This algorithm classifies new data points based on their proximity to existing data points in a training dataset. One way to visually determine the class to which a new point belongs using a scatter plot is

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Programming machine learning, Defining K nearest neighbors algorithm, Examination review
Tagged under: Artificial Intelligence, Classification, Data Visualization, K Nearest Neighbors, Machine Learning, Scatter Plot

How do you visualize data using the matplotlib module in Python?

Monday, 07 August 2023 by EITCA Academy

The matplotlib module in Python is a powerful tool for visualizing data in the field of artificial intelligence and machine learning. It provides a wide range of functions and features that allow users to create high-quality plots and charts to better understand and analyze their data. In this answer, I will explain how to use

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Programming machine learning, Programming the best fit slope, Examination review
Tagged under: Artificial Intelligence, Best Fit Slope, Data Visualization, Machine Learning, Matplotlib, Python
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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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