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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: Feature Selection

How do we pre-process the data before balancing it in the context of building a recurrent neural network for predicting cryptocurrency price movements?

Sunday, 13 August 2023 by EITCA Academy

Pre-processing data is a important step in building a recurrent neural network (RNN) for predicting cryptocurrency price movements. It involves transforming the raw input data into a suitable format that can be effectively utilized by the RNN model. In the context of balancing RNN sequence data, there are several important pre-processing techniques that can be

  • Published in Artificial Intelligence, EITC/AI/DLPTFK Deep Learning with Python, TensorFlow and Keras, Recurrent neural networks, Balancing RNN sequence data, Examination review
Tagged under: Artificial Intelligence, Data Cleaning, Feature Selection, Imbalanced Data, Normalization, Sequence Padding

How can the accuracy of a K nearest neighbors classifier be improved?

Monday, 07 August 2023 by EITCA Academy

To improve the accuracy of a K nearest neighbors (KNN) classifier, several techniques can be employed. KNN is a popular classification algorithm in machine learning that determines the class of a data point based on the majority class of its k nearest neighbors. Enhancing the accuracy of a KNN classifier involves optimizing various aspects of

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Programming machine learning, K nearest neighbors application, Examination review
Tagged under: Artificial Intelligence, Class Imbalance, Data Preprocessing, Distance Metric, Feature Selection, Hyperparameter Tuning

What is the purpose of feature selection and engineering in machine learning?

Monday, 07 August 2023 by EITCA Academy

Feature selection and engineering are important steps in the process of developing machine learning models, particularly in the field of artificial intelligence. These steps involve identifying and selecting the most relevant features from the given dataset, as well as creating new features that can enhance the predictive power of the model. The purpose of feature

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Programming machine learning, K nearest neighbors application, Examination review
Tagged under: Artificial Intelligence, Feature Engineering, Feature Selection, K Nearest Neighbors, Machine Learning

Why is it important to consider the relevance and meaningfulness of features when working with regression analysis?

Monday, 07 August 2023 by EITCA Academy

When working with regression analysis in the field of artificial intelligence and machine learning, it is important to consider the relevance and meaningfulness of the features used. This is important because the quality of the features directly impacts the accuracy and interpretability of the regression model. In this answer, we will explore the reasons why

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Regression, Introduction to regression, Examination review
Tagged under: Artificial Intelligence, Feature Meaningfulness, Feature Relevance, Feature Selection, Interpretability, Regression Analysis

What are the ML-specific considerations when developing an ML application?

Sunday, 06 August 2023 by EITCA Academy

When developing a machine learning (ML) application, there are several ML-specific considerations that need to be taken into account. These considerations are important in order to ensure the effectiveness, efficiency, and reliability of the ML model. In this answer, we will discuss some of the key ML-specific considerations that developers should keep in mind when

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, TensorFlow Extended (TFX), What exactly is TFX, Examination review
Tagged under: Artificial Intelligence, Data Preprocessing, Ethical Considerations, Feature Selection, Hyperparameter Tuning, Legal Considerations, Machine Learning, Model Deployment, Model Selection, Monitoring, Overfitting, Regularization

What are some of the tasks that scikit-learn offers tools for, other than machine learning algorithms?

Wednesday, 02 August 2023 by EITCA Academy

Scikit-learn, a popular machine learning library in Python, offers a wide range of tools and functionalities beyond just machine learning algorithms. These additional tasks provided by scikit-learn enhance the overall capabilities of the library and make it a comprehensive tool for data analysis and manipulation. In this answer, we will explore some of the tasks

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Advancing in Machine Learning, Scikit-learn, Examination review
Tagged under: Artificial Intelligence, Clustering, Data Preprocessing, Dimensionality Reduction, Feature Selection, Model Evaluation
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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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