HyperAI

Attribute Space

Attribute space: The space spanned by attributes, also called "sample space" or "input space".

Feature space: The attribute space formed by excluding linearly correlated attributes and attributes that are not beneficial to model construction is called feature space.

Related concepts

  • Data set: A collection of data
  • Instance or sample: Each record is a description of an event or object.
  • Attribute or feature: A property or characteristic of an event or object.
  • Attribute value: The value of an attribute.
  • Feature vector: Each point in space corresponds to a coordinate vector