Look, no hands! Exploring data with your eyes

Can you imagine using a computer without a mouse, keyboard, or touchscreen? Why would we even need to do that? In this article, we will learn how virtual on-screen ‘lenses’ can be controlled using eye-tracking technology, to magnify and show additional details on charts. Using your eyes to control a computer has some unexpected challenges, …

What if charts could control your data?

We typically think of charts as the end result of data analysis. To create a chart in Excel, you must first select some data. To produce a chart in Python or R using charting libraries, you must provide an array, data table or data frame. When William Playfair was inventing the line and bar charts …