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What is accuracy in machine learning?

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Definition of accuracy is in the article - but even more important is the value of accuracy in machine learning. read more

In this post, you learned about the Accuracy Paradox and problems with a class imbalance when Classification Accuracy alone cannot be trusted to select a well-performing model. Through example, you learned about the Confusion Matrix as a way of describing the breakdown of errors in predictions for an unseen dataset. read more

In information retrieval contexts, precision and recall are defined in terms of a set of retrieved documents (e.g. the list of documents produced by a web search engine for a query) and a set of relevant documents (e.g. the list of all documents on the internet that are relevant for a certain topic), cf. relevance. read more

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