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- Instance-based_learning abstract "In machine learning, instance-based learning (sometimes called memory-based learning) is a family of learning algorithms that, instead of performing explicit generalization, compares new problem instances with instances seen in training, which have been stored in memory. Instance-based learning is a kind of lazy learning.It is called instance-based because it constructs hypotheses directly from the training instances themselves.This means that the hypothesis complexity can grow with the data: in the worst case, a hypothesis is a list of n training items and the computational complexity of classifying a single new instance is O(n). One advantage that instance-based learning has over other methods of machine learning is its ability to adapt its model to previously unseen data: instance-based learners may simply store a new instance or throw an old instance away.Examples of instance-based learning algorithm are the k-nearest neighbor algorithm, kernel machines and RBF networks. These store (a subset of) their training set; when predicting a value/class for a new instance, they compute distances or similarities between this instance and the training instances to make a decision.To battle the memory complexity of storing all training instances, as well as the risk of overfitting to noise in the training set, instance reduction algorithms have been proposed.Gagliardi applies this family of classifiers in medical field as second-opinion diagnostic tools and as tools for the knowledge extraction phase in the process of knowledge discovery in databases. One of these classifiers (called Prototype exemplar learning classifier (PEL-C) is able to extract a mixture of abstracted prototypical cases (that are syndromes) and selected atypical clinical cases.".
- Instance-based_learning wikiPageID "22589574".
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- Instance-based_learning wikiPageRevisionID "615580426".
- Instance-based_learning wikiPageWikiLink Analogical_modeling.
- Instance-based_learning wikiPageWikiLink Big_O_notation.
- Instance-based_learning wikiPageWikiLink Category:Machine_learning.
- Instance-based_learning wikiPageWikiLink Classification_(machine_learning).
- Instance-based_learning wikiPageWikiLink Clinical_decision_support_system.
- Instance-based_learning wikiPageWikiLink Data_mining.
- Instance-based_learning wikiPageWikiLink K-nearest_neighbor_algorithm.
- Instance-based_learning wikiPageWikiLink K-nearest_neighbors_algorithm.
- Instance-based_learning wikiPageWikiLink Kernel_method.
- Instance-based_learning wikiPageWikiLink Knowledge_discovery_in_databases.
- Instance-based_learning wikiPageWikiLink Lazy_learning.
- Instance-based_learning wikiPageWikiLink Machine_learning.
- Instance-based_learning wikiPageWikiLink Online_machine_learning.
- Instance-based_learning wikiPageWikiLink Overfitting.
- Instance-based_learning wikiPageWikiLink PEL-C.
- Instance-based_learning wikiPageWikiLink Radial_basis_function_network.
- Instance-based_learning wikiPageWikiLink Statistical_classification.
- Instance-based_learning wikiPageWikiLink Syndrome.
- Instance-based_learning wikiPageWikiLinkText "Instance-based learning".
- Instance-based_learning wikiPageWikiLinkText "instance-based learners".
- Instance-based_learning wikiPageWikiLinkText "instance-based learning".
- Instance-based_learning wikiPageWikiLinkText "memory-based learning".
- Instance-based_learning hasPhotoCollection Instance-based_learning.
- Instance-based_learning wikiPageUsesTemplate Template:AI-stub.
- Instance-based_learning wikiPageUsesTemplate Template:Reflist.
- Instance-based_learning wikiPageUsesTemplate Template:Rp.
- Instance-based_learning subject Category:Machine_learning.
- Instance-based_learning hypernym Family.
- Instance-based_learning comment "In machine learning, instance-based learning (sometimes called memory-based learning) is a family of learning algorithms that, instead of performing explicit generalization, compares new problem instances with instances seen in training, which have been stored in memory.".
- Instance-based_learning label "Instance-based learning".
- Instance-based_learning sameAs m.05zt43s.
- Instance-based_learning sameAs Q17141258.
- Instance-based_learning sameAs Q17141258.
- Instance-based_learning wasDerivedFrom Instance-based_learning?oldid=615580426.
- Instance-based_learning isPrimaryTopicOf Instance-based_learning.