What is Data Visualization?
Living in this age of Big Data, you would definitely have come across the term “Data Visualization.” It is used by all kinds of people: academics, economists, administrators, CEO’s – you name it! Owing to this popularity, it has so many definitions that when you google “Definition of Data Visualization,” you get about 8,14,00,000 results. Whew! That’s a lot to handle, but don’t worry, we got your back. Simply put, Data Visualization or Data Viz is any visual representation that helps in understanding, organizing, and analyzing data. It helps your numbers tell a meaningful story and helps your readers understand it.
Why do we need it?
A picture is worth a thousand words! This is the mantra behind data viz. According to Danish Physicist Tor Nørretranders, both our conscious and sub-conscious systems process the most information in a given time through vision. This means we are more likely to grasp details from a picture than a text. To illustrate this further, look at the two images below, which lists the processing capacity of our senses.