One of the most important activities in Big Data processing and analysis is creating a powerful visualization of the data and insights. Many researchers have concluded that the human brain understands anything graphical better than it understands anything textual or numerical. During the analytical process, you will need to constantly make sense of data and manipulate its usage and interpretation; this will be much easier if you could visualize the data instead of reading it from tables, columns, or text files. When you have insights, your business stakeholders will want to understand those in the context of the data; you need some pictorial representation for that as well.
There are many key considerations you need to keep in mind when developing data visualizations:
Which form of graphical representation to use for which type of data
How to design a visualization approach that allows interactive capabilities, for example, to drill down from summary...