what is normalization? how is it related in sap hr?
for a satisfying answer we will need some more information on the context as the term normalization is used in different areas.
In the database design normalization is a concept or also a design step for defining a relational database.
In performance management normalization may be used as a synonym for calibration, a proces for adjusting the ratings of a group of appraisees that ensures a reasonable distribution from "very good" to "very bad".
These are only two examples.