Building key performance indicators
Before we wrap up these data visualization sections, I want to introduce key performance indicators, or KPIs for short.
A KPI is usually a single value that describes the results of a business indicator, such as the churn rate, net promoter score (NPS), return on investment (ROI), and so on. Although there are some commonly used indicators across different industries, you are free to come up with a number, based on your company's needs.
To be honest, the most complex challenge associated with indicators is not in their visualization aspect itself, but in the way they have been built (the rules used) and the way they will be communicated and used across different levels of the company.
From a visualization perspective, just like any other single value, you can use all those charts that we have learned about to analyze your indicator, depending on your need. However, if you just want to show your KPI, with no time dimension, you can...