Categorical Data Categorical variables represent types of data which may be divided into groups. Both quantitative and categorical data have some finer distinctions, but I will ignore those for this posting. What is the difference between quantitative and categorical variables? height, weight, or age).. Categorical variables are any variables where the data represent groups. finishing places in a race), classifications (e.g. coin flips). Age group (under 12 years old, 12-17 years old, 18-24 years old, 25-34 years old, 35-44 years old and etc.) Most data sets contain both types of … The distinction between categorical and quantitative variables is crucial for deciding which types of data analysis methods to use. This includes rankings (e.g. What is more important, is: why do those make a difference for visualization? brands of cereal), and binary outcomes (e.g. Categorical data can take on numerical values (such as “1” indicating male and “2” indicating female), but those numbers don’t have mathematical meaning. This includes product type, gender, age group, etc. Quantitative variables are any variables where the data represent amounts (e.g. Quantitative variables The values of a quantitative variable are numbers that usually represent a count or a measurement. However it would be continuous if measured to an exact amount of time passed since the start of something. Examples of categorical variables are race, sex, age group, and educational level. Categorical data may or may not have some logical order. Age is the qualitative variable because it is a category that the individual person can be put in.. the amount of media watched is quantitative because it can be counted...Age can be counted as well.. but in this case it is the qualitative variable Start studying Chapter 1.1 Vocabulary & Practice Problems. Time is (usually) a continuous interval variable, so quantitative. A common example is to provide information about an individual’s Body Mass Index by stating whether the individual is underweight, normal, overweight, or obese. The values of a categorical variable are mutually exclusive categories or groups. Categorical data: Categorical data represent characteristics such as a person’s gender, marital status, hometown, or the types of movies they like. Age is measured in units that, if precise enough, could be any number. Year can be a discretization of time. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Categorical variables are also called qualitative variables or attribute variables. Sometimes, quantitative variables are divided into groups for analysis, in such a situation, although the original variable was quantitative, the variable analyzed is categorical. For example, someone could be 22.32698457 years old or 22.32698459 years old. For example, you might have data for a child’s height on January 1 of years from 2010 to 2018. Quantitative Data: Values. Re: How to make age a categorical variable? Posted 07-19-2018 04:50 PM (3929 views) | In reply to mkeintz so id want 21 to be 21 and 22 to be 22 and so on, but I … Age is acontinuousvariable because it can bemeasured with numbers. Discrete if measured in a number of years, minutes, seconds. A categorical variable deals with nominal variables example male or female, political view, etc ... No. Therefore the set they come from is infinite. 1.1.1 - Categorical & Quantitative Variables Variables can be classified as categorical or quantitative .