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Questions and Answers
What is the primary goal of Supervised Learning in Machine Learning?
To learn to map inputs to outputs based on labeled training data.
What is the main difference between Overfitting and Underfitting in Machine Learning?
Overfitting occurs when a model is too complex and performs well on training data but poorly on new data, while Underfitting occurs when a model is too simple and fails to capture the underlying patterns in the data.
What is the purpose of Reinforcement Learning in Machine Learning?
To learn through trial and error by interacting with an environment and receiving rewards or penalties.
What is the definition of Machine Learning?
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What is the primary goal of Tokenization in Natural Language Processing (NLP)?
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What is the purpose of Named Entity Recognition (NER) in Natural Language Processing (NLP)?
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What is the consequence of high bias in a Machine Learning model?
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What is the consequence of high variance in a Machine Learning model?
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What is the Bias-Variance Tradeoff in Machine Learning?
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What is the definition of Natural Language Processing (NLP)?
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Study Notes
Machine Learning
- Definition: A subset of Artificial Intelligence that involves training machines to learn from data and make predictions or decisions without being explicitly programmed.
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Types of Machine Learning:
- Supervised Learning: Training data is labeled, and the algorithm learns to map inputs to outputs.
- Unsupervised Learning: Training data is unlabeled, and the algorithm finds patterns or structure in the data.
- Reinforcement Learning: The algorithm learns through trial and error by interacting with an environment and receiving rewards or penalties.
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Key Concepts:
- Overfitting: When a model is too complex and performs well on training data but poorly on new, unseen data.
- Underfitting: When a model is too simple and fails to capture the underlying patterns in the data.
- Bias-Variance Tradeoff: The tradeoff between the error introduced by simplifying a model (bias) and the error introduced by fitting the noise in the data (variance).
Natural Language Processing (NLP)
- Definition: A subfield of Artificial Intelligence that deals with the interaction between computers and humans in natural language.
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Key Concepts:
- Tokenization: Breaking down text into individual words or tokens.
- Named Entity Recognition (NER): Identifying named entities in text, such as people, places, and organizations.
- Part-of-Speech (POS) Tagging: Identifying the grammatical category of each word in a sentence (e.g., noun, verb, adjective).
- Sentiment Analysis: Determining the emotional tone or sentiment of text, such as positive, negative, or neutral.
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NLP Applications:
- Text Classification: Classifying text into categories, such as spam vs. non-spam emails.
- Language Translation: Translating text from one language to another.
- Chatbots: Computer programs that simulate human-like conversation.
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Description
Test your knowledge of machine learning and natural language processing concepts, including supervised and unsupervised learning, overfitting, and NLP applications like text classification and language translation.
