ordinal attributes in data mining

27 jan 2021 · Introduction to Data Mining , 2nd Edition by Ordinal Ordinal attribute values also order objects () hardness of minerals, {good, better 

Data Mining Lecture 2 5 Types of Attributes • There are different types of attributes – Nominal • Examples: ID numbers, eye color, zip codes – Ordinal

Data Mining: Practical Machine Learning Tools and Techniques (Chapter 2) Input: Concepts, instances What's in an attribute? Nominal, ordinal, interval, ratio Preparing the input ARFF, attributes, missing values, getting to know data 

There are different types of attributes – Nominal:Examples: ID numbers, eye color, zip codes – Ordinal: Examples: rankings (e g , taste of potato chips on a 

Qualitative data consist of labels, features, non- numeric the attribute is represented by ordinal variable, such as regression, analysis of variance and factor

Data Objects and Attribute Types 2 Data objects are described by attributes ( or dimension, feature, which type of attributes should be used? □ Nominal □ Ordinal □ Interval-scaled From the data mining point of view it is important to

Ordinal Ordinal attribute values also order objects () hardness of minerals, { good, better, best}, Data mining example: a classification model for detecting

It's tempting to jump straight into mining, but first, we need to get the data ready clude nominal attributes, binary attributes, ordinal attributes, and numeric

by attributes □ Database rows → data objects; columns → attributes Q1: Is student ID a nominal, ordinal, or numerical attribute? □ Q2: What about eye