Foundations
What is Data? What is Data Analysis?
Data: A collection of facts
Data analysis: The collection, transformation, and organization of data in order to draw conclusion, make predictions, and drive informed decision-making.
Data analyst: Someone who collects, transforms, and organizes data in order to draw conclusions, make predictions, and drive informed decision-making.
Data analytics: The science of data.
Data science: A field of study that uses raw data to create new ways of modeling and understanding the unknown.
What Skills Does a Data Analyst Have?
Analytical skills: Qualities and characteristics associated with using facts to solve problems.
Analytical thinking: The process of identifying and feigning a problem, then solving it by using data in an organized, step-by-step manner.
Technical mindset: The ability to break things down into smaller steps or pieces and work with them in an orderly and logical way.
Structured thinking: The process of recognizing the current problem or situation, organizing available information, revealing gaps and opportunities, and identifying options.
The Data Ecosystem
Database: A collection of data stored in a computer system.
Dataset: A collection of data that can be manipulated or analyzed as one unit.
Data element: A piece of information in a dataset.
Data ecosystem: The various elements that interact with one another in order to produce, manage, store, organize, analyze, and share data.