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data

Unstructured

Structured

It s unorganized and can be difficult to manage. It has no specific format or predefined structure and may contain text, images, audio, and/or video. Examples of unstructured data are reports and email messages, surveillance videos, and so on.

It is easy to manage, and mainly in a tabular format as used in Excel or Google Sheets, where every column is filled with the same type of data. It has a predefined structure and it commonly consists of text and numbers. Customer information and financial transactions are typical examples of structured data.

Qualitative

is also called categorical data because we can group it into categories. For example, what language do you speak, and what is your favorite holiday destination?

Quantitative

is also called numerical data because we can count, measure, and express it with numbers. The height of a person or the room temperature are examples of quantitative data