What is structured data?
Structured data has a predetermined format and is represented by rows and columns
What is unstructured data?
Data is unstructured when it cannot be fit into a neat organization of rows and columns.
What is semi-structured data?
Semi structured data doesn’t have the structured format of tabular or spreadsheet data, but it contains some structure in the form of tags and metadata that help people group, describe, and analyze the data.
What is metadata?
Metadata provides basic information about the data, such as when and why it was created, who created the data, where the data was created, data file size, and other information.
What is quantitative data?
Quantitative data is numerical. We use numbers to represent quantitative data.
What is qualitative data?
Qualitative data is categorical. Qualitative data cannot be counted or measured. Instead, it classifies or categorizes different objects.
What is nominal data?
It means the categories of the data can be named or listed, but there is no inherent order to them.
What is ordinal data?
It means it has categories, but they can be ordered - from smallest to largest, least to most, worst to best, or in other ordered ways.
What is continuous data?
Continuous data can take on any value between two whole numbers. In other words, it can have decimals and fractions.
What is discrete data?
Discrete data is counted in whole numbers. Whole numbers do not allow any fractions or decimals.
What is Key Performance Indicator?
A KPI is a metric, or quantifiable measure, to help organizations track their performance on an ongoing basis.
What is an Data Engineer?
Data engineers develop, test, and maintain the data architecture.
What is a Data Scientist?
Data scientists conduct advanced statistical analyses and tests, develop processes for modeling data, and implement algorithms and statistical models.
What is a Data Analyst?
Data analysts use statistics to organize and analyze data, then extract and communicate insightful information to decision-makers.
