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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: Accuracy

In TPU v1, quantify the effect of FP32→int8 with per-channel vs per-tensor quantization and histogram vs MSE calibration on performance/watt, E2E latency, and accuracy, considering HBM, MXU tiling, and rescaling overhead.

Thursday, 04 December 2025 by JOSE ALFONSIN PENA

The effect of quantization approaches—specifically FP32 to int8 with per-channel versus per-tensor schemes and histogram versus mean squared error (MSE) calibration—on Google TPU v1 performance and accuracy is multifaceted. The interplay among quantization granularity, calibration techniques, hardware tiling, memory bandwidth, and overheads such as rescaling must be comprehensively analyzed to understand their influence on performance

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Expertise in Machine Learning, Tensor Processing Units - history and hardware
Tagged under: Accuracy, Artificial Intelligence, Calibration, HBM, Int8, Latency, MXU, Performance, Quantization, TPU

Is 90% of accuracy on the test set good enough for evaluation?

Wednesday, 13 August 2025 by MIRNA HANŽEK

The adequacy of a 90% accuracy metric on a test set as a standard for evaluating a machine learning model is a nuanced topic that requires a comprehensive understanding of several key concepts in machine learning, model evaluation, and the application context. Accuracy alone, while commonly reported, may not always provide a reliable or complete

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Introduction, What is machine learning
Tagged under: Accuracy, Artificial Intelligence, Google Cloud, Imbalanced Data, Machine Learning, Model Evaluation

What are the benefits of using a CSV file to import collection items into Webflow CMS compared to manual data entry?

Monday, 19 August 2024 by EITCA Academy

Utilizing CSV files for importing collection items into Webflow CMS offers significant advantages over manual data entry, particularly in the realms of efficiency, accuracy, scalability, and data management. This method is highly beneficial for web developers and content managers seeking to optimize their workflow and maintain the integrity of their data. Efficiency and Time-Saving One

  • Published in Web Development, EITC/WD/WFCE Webflow CMS and eCommerce, CMS Collections, Import Collection items, Examination review
Tagged under: Accuracy, CSV, Customization, Data Import, Data Management, Efficiency, Scalability, Web Development, Webflow CMS

What is the significance of confidence levels in the Google Vision API's interpretation of text?

Wednesday, 27 December 2023 by EITCA Academy

Confidence levels play a important role in the interpretation of text by the Google Vision API. The significance of confidence levels lies in their ability to provide users with an indication of the reliability and accuracy of the API's interpretation of text from visual data, particularly when it comes to detecting and extracting text from

  • Published in Artificial Intelligence, EITC/AI/GVAPI Google Vision API, Understanding text in visual data, Detecting and extracting text from handwriting, Examination review
Tagged under: Accuracy, Artificial Intelligence, Confidence Levels, Google Vision API, Handwriting, Text Interpretation, Visual Data

What are the two main metrics used in model analysis in deep learning?

Sunday, 13 August 2023 by EITCA Academy

In the field of deep learning, model analysis plays a important role in evaluating the performance and effectiveness of deep learning models. Two main metrics commonly used for this purpose are accuracy and loss. These metrics provide valuable insights into the model's ability to make correct predictions and its overall performance. 1. Accuracy: Accuracy is

  • Published in Artificial Intelligence, EITC/AI/DLPP Deep Learning with Python and PyTorch, Advancing with deep learning, Model analysis, Examination review
Tagged under: Accuracy, Artificial Intelligence, Deep Learning, Loss, Metrics, Model Analysis

How can we evaluate the performance of the CNN model in identifying dogs versus cats, and what does an accuracy of 85% indicate in this context?

Tuesday, 08 August 2023 by EITCA Academy

To evaluate the performance of a Convolutional Neural Network (CNN) model in identifying dogs versus cats, several metrics can be used. One common metric is accuracy, which measures the proportion of correctly classified images out of the total number of images evaluated. In this context, an accuracy of 85% indicates that the model correctly identified

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, Using convolutional neural network to identify dogs vs cats, Using the network, Examination review
Tagged under: Accuracy, Artificial Intelligence, CNN, Convolutional Neural Network, F1 Score, Image Classification, Performance Evaluation, Precision, Recall

How does adding more data to a deep learning model impact its accuracy?

Tuesday, 08 August 2023 by EITCA Academy

Adding more data to a deep learning model can have a significant impact on its accuracy. Deep learning models are known for their ability to learn complex patterns and make accurate predictions by training on large amounts of data. The more data we provide to the model during the training process, the better it can

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, TensorFlow, Using more data, Examination review
Tagged under: Accuracy, Artificial Intelligence, Data, Deep Learning, Generalization, Overfitting

How do we compare the groups identified by the k-means algorithm with the "survived" column?

Monday, 07 August 2023 by EITCA Academy

To compare the groups identified by the k-means algorithm with the "survived" column in the Titanic dataset, we need to evaluate the correspondence between the clustering results and the actual survival status of the passengers. This can be done by calculating various performance metrics, such as accuracy, precision, recall, and F1-score. These metrics provide insights

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Clustering, k-means and mean shift, K means with titanic dataset, Examination review
Tagged under: Accuracy, Artificial Intelligence, Clustering, F1 Score, K-means, Performance Metrics, Precision, Recall, Titanic Dataset

What is the relationship between confidence and accuracy in the K nearest neighbors algorithm?

Monday, 07 August 2023 by EITCA Academy

The relationship between confidence and accuracy in the K nearest neighbors (KNN) algorithm is a important aspect of understanding the performance and reliability of this machine learning technique. KNN is a non-parametric classification algorithm widely used for pattern recognition and regression analysis. It is based on the principle that similar instances are likely to have

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Programming machine learning, Summary of K nearest neighbors algorithm, Examination review
Tagged under: Accuracy, Artificial Intelligence, Classification, Confidence, K Nearest Neighbors, Machine Learning Algorithms

What is the difference between accuracy and confidence in the context of linear regression?

Monday, 07 August 2023 by EITCA Academy

In the context of linear regression, accuracy and confidence are two important concepts that help evaluate the performance and reliability of the model. While they are related, they have distinct meanings and purposes. Accuracy refers to how close the predicted values of the model are to the actual values. It measures the correctness of the

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Programming machine learning, Programming the best fit line, Examination review
Tagged under: Accuracy, Artificial Intelligence, Coefficient Of Determination, Confidence, Linear Regression, P-value, R-squared, Statistical Significance
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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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