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HomeHomework Helpmachine-learningSemi Supervised Learning

Semi Supervised Learning

Semi-supervised learning is a type of machine learning that combines labeled and unlabeled data to improve the accuracy of predictions, where the algorithm learns from both the labeled data and the underlying patterns in the unlabeled data. This approach is useful when the cost of labeling data is high, and only a subset of the data has labeled responses.

intermediate
3 hours
Machine Learning
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Overview

Semi-supervised learning is a powerful approach in machine learning that combines both labeled and unlabeled data to enhance model performance. By leveraging the strengths of both data types, it allows for more accurate predictions while reducing the reliance on extensive labeled datasets, which can...

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Key Terms

Labeled Data
Data that has been tagged with the correct answer or output.

Example: Images of cats labeled as 'cat'.

Unlabeled Data
Data that has not been tagged or categorized.

Example: A collection of random images without any labels.

Self-Training
A technique where a model is trained on labeled data and then used to label unlabeled data.

Example: Using a model to predict labels for new images.

Co-Training
A method where two models are trained on different views of the same data.

Example: One model uses text features while another uses image features.

Model Accuracy
A measure of how often a model makes correct predictions.

Example: An accuracy of 90% means 90 out of 100 predictions were correct.

Data Augmentation
Techniques used to increase the diversity of training data without collecting new data.

Example: Rotating or flipping images to create new training examples.

Related Topics

Unsupervised Learning
Focuses on learning patterns from unlabeled data without any supervision.
intermediate
Deep Learning
A subset of machine learning that uses neural networks with many layers.
advanced
Transfer Learning
A technique where a model developed for one task is reused for a different but related task.
intermediate

Key Concepts

Labeled DataUnlabeled DataModel TrainingData Augmentation