The Data Visualisation Catalogue
A handy guide and library of different data visualization techniques, tools, and a learning resource for data visualization.
Classification of Data: Meaning, Definition, Objectives
It is the process of arranging data into homogeneous (similar) groups according to their common characteristics. Raw data cannot be easily understood, and it is not fit for further analysis and interpretation. Arrangement of data helps users in comparison and analysis. For example, the population of a town can be grouped according to sex, age, marital status, etc.