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Feature (machine learning)

In machine learning and pattern recognition, a feature is an individual measurable property or characteristic of a data set. Choosing informative, discriminating, and independent features is crucial to producing effective algorithms for pattern recognition, classification, and regression tasks. Features are usually numeric, but other types such as…

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Overview

Feature types

Classification

Examples

Feature vectors

Selection and extraction

Advanced semantic analysis

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Map overview Semantic statistics

Feature (machine learning)

Nodes45
Edges44
Triples6
Avg. degree1.96
Density0.044444
Components1

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Important terminology Word statistics

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Important terminology

features feature recognition algorithms machine learning vector used numerical include pattern statistical classification regression techniques linear vectors categorical set examples

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
stringsinstance ofbut other types0.80text
graphs are used in syntactic pattern recognitioninstance ofbut other types0.80text
after some pre-processing step such as one-hot encodinginstance ofbut other types0.80text
linear regressioninstance ofis related to that of explanatory variables used in statistical techniques0.80text
Bayesian approachesinstance ofand statistical techniques0.80text
linear regressioninstance ofFeature vectors are equivalent to the vectors of explanatory variables used in statistical procedures0.80text

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