Simple visualizations make large amounts of data easy to understand at a glance, allowing readers to engage more directly with the data. Choropleth maps are an iconic example of presenting data using colour intensity to illustrate prevalence rates. For example, blue signifies the high chance a child raised in the bottom fifth rose to the top fifth while red shows low chances.
But the process of making these maps is not straight-forward for non-developers. The journalist needs to evaluate the amount of detail given and whether the designer followed these steps in deciding what data to include in the map. » Read more