Descriptive Analytics I: Nature of Data, Statistical Modeling, and Visualisation - A Simple Taxonomy of Data
4 important questions on Descriptive Analytics I: Nature of Data, Statistical Modeling, and Visualisation - A Simple Taxonomy of Data
What is data? How does data differ from information and knowledge?
Data is often viewed a the lowest level of abstraction from which information and then knowledge is derived.
What are the main categories of data? What types of data can we use for BI and analytics?
- Nominal
- Ordinal
- Interval
- Ratio
Can we use the same data representation for all analytics models? Why, or why not?
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What is a 1-of-N data representation? Why and where is it used in analytics?
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