liveBook · Manning

Qualitative data

As explained in Data Without Labels

Qualitative data consists of nonnumeric observations or categories that are not measured or weighed directly.

Qualitative data consists of observations or classifications that cannot be measured or weighed directly. It is also called categorical data and is observed subjectively. section 1.2.2

Qualitative data has three common subcategories:

  • Binary data has two mutually exclusive classes, such as yes/no or true/false. section 1.2.2
  • Nominal data contains categories without an inherent sequence, such as languages, colors, cities, or service types. section 1.2.2
  • Ordinal data contains categories that can be ordered, such as fast/medium/slow or positive/neutral/negative. section 1.2.2
Figure 1.2 The divisions and subdivisions of data
figure

Use the data-classification diagram to locate qualitative data alongside its binary, nominal, and ordinal subdivisions. section 1.2.2

How Data Without Labels covers it

How deep it goes
Defines qualitative data and distinguishes binary, nominal, and ordinal categories with examples.
Examples
Uses taste, color, odor, names, cities, product quality, gender, languages, and service types as examples.
What you can do after
Evaluate whether observations belong to binary, nominal, or ordinal qualitative categories.
How it connects
Connects qualitative data with categorical variables, quantitative data, binary data, nominal data, and ordinal data.

Also explained in

Compare how 3 books explain qualitative data →

Related concepts

This explainer was generated by Manning's knowledge graph from the text of Data Without Labels. The section links point to the parts of the book it draws on.