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Id Nature of Data - Coggle Diagram
Id Nature of Data
Types of Data
Data is a collection of facts, figures, information and statistics. Data can exist in various forms, including numbers, texts sound and images and other formats. It can be structured or unstructured
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- Volume, the amount of data
- Velocity; Data generation speed
- Value; Info or insights
Structured Data; organised in a fixed format or schema, typically in tables with rows and columns.
- Each field is defined as data type (integer, date, string) and length. Its easy to query, ort and analyse. with SQL and spreedsheet tools.
Unstructured data; Doesn't follow a set or predefined model or schema and lacks a tabular format.
it can be text heavy, media rich or semi-structured. Requires more advanced processing (natural language processing, computer version) to extract insights.
Patterns of Data;
Recurring structures, trends, or behaviors observed within a dataset.
- These patterns might be simple and consistent, like daily temperature changes.
- complex and inconsistent structures in stock market data
Purpose;
- Help in prediction (e.g. forecasting future values).
- Enable insight extraction (e.g. Understanding customer behaviour).
- Reveal relationships between variables(e.g. correlation between income and spending)
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Data Sources;
the origin or location from which information is obtained, serves as the main reference for generating and distributing data
Secondary source;
- Data reused for analysis or interpretation
Examples; Biographies, documents, and government records
Primary sources;
- First-hand, original data collected directly
Examples; Surveys, experiments, interviews and observations.