Nominal data (otherwise called nominal scale) is an order of categorical factors that don't offer any quantitative value. Authored from the Latin terminology "Nomen" (meaning name), it is some of the time said "named" or "labeled" data. Now and again, nominal data may qualify as both quantitative and qualitative.
Nominal data is the establishment of statistical examination and any other numerical sciences. They are unique snippets of data recorded and utilized with the goal of examination. It is used for data analysis. In data, analysis, appropriate grouping, and utilization of data are profoundly reliant on one's comprehension of what data is.
When contemplating data, we think about 2 factors - mathematical and categorical. Mathematical factors are arranged into ceaseless and discrete data, while categorical values are separated into nominal and ordinal data.
Nominal data is collected by questioning people. Surveys could be said as an example of nominal data. The analyst gives open-ended questions to people and records the inputs. For example:
What is your profession?
Where do you belong?
The analyst the most probably will provide a blank text box or drop-down list for answers to the respondent.
Types of Ordinal data are:
Multiple response questions such as asking to choose any 3 from a given list
Choosing one out of two options such as Male or Female gender
Open-ended questions
Close-ended questions
Examples of ordinal forms are:
Political surveys
Student enrolment forms
Job forms, and so on