Correlation with calculations
Data visualization is all about communicating a message using data. In the first chapter, we specified communication as one of the key features of a dashboard.
The problem with data visualization is that people don't always like what visualization tells them about their business. It can defy commonly held assumptions about a business that goes against the grain of what people believe. This can be particularly uncomfortable if people have been with an organization for a long time and perhaps have not changed their perspective as the business moved ahead.
In this recipe, we will look at how we can use correlation to test a hypothesis and then display this information so that the message of the data is easy to understand. ...
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