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Questions and answers designated by tag: Overfitting

Why is it important to shuffle the data before training a deep learning model?

Tuesday, 08 August 2023 by EITCA Academy

Shuffling the data before training a deep learning model is of utmost importance in order to ensure the model's effectiveness and generalization capabilities. This practice plays a important role in preventing the model from learning patterns or dependencies based on the order of the data samples. By randomly shuffling the data, we introduce a level

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

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 is the size of the lexicon limited in the preprocessing step?

Tuesday, 08 August 2023 by EITCA Academy

The size of the lexicon in the preprocessing step of deep learning with TensorFlow is limited due to several factors. The lexicon, also known as the vocabulary, is a collection of all unique words or tokens present in a given dataset. The preprocessing step involves transforming raw text data into a format suitable for training

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, TensorFlow, Preprocessing conitnued, Examination review
Tagged under: Artificial Intelligence, Computational Efficiency, Deep Learning, Lemmatization, Lexicon, Memory Constraints, Overfitting, Preprocessing, Sparsity, Stemming, TensorFlow

What are some advantages of using support vector machines (SVMs) in machine learning applications?

Monday, 07 August 2023 by EITCA Academy

Support Vector Machines (SVMs) are a powerful and widely used machine learning algorithm that offer several advantages in various applications. In this answer, we will discuss some of the key advantages of using SVMs in machine learning. 1. Effective in high-dimensional spaces: SVMs perform well in high-dimensional spaces, which is a common scenario in many

  • Published in Artificial Intelligence, EITC/AI/MLP Machine Learning with Python, Support vector machine, Support vector machine introduction and application, Examination review
Tagged under: Artificial Intelligence, High-dimensional Spaces, Kernel Functions, Machine Learning, Memory Efficiency, Overfitting, Support Vector Machines, SVMs, Unbalanced Datasets

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 is early stopping and how does it help address overfitting in machine learning?

Saturday, 05 August 2023 by EITCA Academy

Early stopping is a regularization technique commonly used in machine learning, particularly in the field of deep learning, to address the issue of overfitting. Overfitting occurs when a model learns to fit the training data too well, resulting in poor generalization to unseen data. Early stopping helps prevent overfitting by monitoring the model's performance during

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, TensorFlow in Google Colaboratory, Using TensorFlow to solve regression problems, Examination review
Tagged under: Artificial Intelligence, Deep Learning, Early Stopping, Machine Learning, Overfitting, Regularization

Why is it important to split our data into training and test sets when training a regression model?

Saturday, 05 August 2023 by EITCA Academy

When training a regression model in the field of Artificial Intelligence, it is important to split the data into training and test sets. This process, known as data splitting, serves several important purposes that contribute to the overall effectiveness and reliability of the model. Firstly, data splitting allows us to evaluate the performance of the

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, TensorFlow in Google Colaboratory, Using TensorFlow to solve regression problems, Examination review
Tagged under: Artificial Intelligence, Data Splitting, Hyperparameter Tuning, Overfitting, Performance Evaluation, Regression Models

Explain why the network achieves 100% accuracy on the test set, even though its overall accuracy during training was approximately 94%.

Saturday, 05 August 2023 by EITCA Academy

The achievement of 100% accuracy on the test set, despite an overall accuracy of approximately 94% during training, can be attributed to several factors. These factors include the nature of the test set, the complexity of the network, and the presence of overfitting. Firstly, the test set may differ in various aspects from the training

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, TensorFlow in Google Colaboratory, Building a deep neural network with TensorFlow in Colab, Examination review
Tagged under: Artificial Intelligence, Deep Learning, Neural Networks, Overfitting, Test Set, Training Accuracy

What is dropout and how does it help combat overfitting in machine learning models?

Saturday, 05 August 2023 by EITCA Academy

Dropout is a regularization technique used in machine learning models, specifically in deep learning neural networks, to combat overfitting. Overfitting occurs when a model performs well on the training data but fails to generalize to unseen data. Dropout addresses this issue by preventing complex co-adaptations of neurons in the network, forcing them to learn more

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, Overfitting and underfitting problems, Solving model’s overfitting and underfitting problems - part 2, Examination review
Tagged under: Artificial Intelligence, Deep Learning, Dropout, Neural Networks, Overfitting, Regularization

How can regularization help address the problem of overfitting in machine learning models?

Saturday, 05 August 2023 by EITCA Academy

Regularization is a powerful technique in machine learning that can effectively address the problem of overfitting in models. Overfitting occurs when a model learns the training data too well, to the point that it becomes overly specialized and fails to generalize well to unseen data. Regularization helps mitigate this issue by adding a penalty term

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, Overfitting and underfitting problems, Solving model’s overfitting and underfitting problems - part 2, Examination review
Tagged under: Artificial Intelligence, L1 Regularization, L2 Regularization, Machine Learning, Overfitting, Regularization
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