Discrete vs. Continuous Attributes Discrete Attribute o Has only a finite or countably infinite set of values o E.g., zip codes, profession, or the set of words in a collection of documents Sometimes, represented as integer variables Note: Binary attributes are a special case of discrete attributes Continuous Attribute e Has real numbers as attribute values D E.g., temperature, height, or weight Practically, real values can only be measured and represented using a finite number of digits o Continuous attributes are typically represented as floating-point variables 同济大学软件学院 ool of Software Engineering. Tongpi Unversity9 Discrete vs. Continuous Attributes ◼ Discrete Attribute ◆ Has only a finite or countably infinite set of values  E.g., zip codes, profession, or the set of words in a collection of documents ◆ Sometimes, represented as integer variables ◆ Note: Binary attributes are a special case of discrete attributes ◼ Continuous Attribute ◆ Has real numbers as attribute values  E.g., temperature, height, or weight ◆ Practically, real values can only be measured and represented using a finite number of digits ◆ Continuous attributes are typically represented as floating-point variables