Understanding some basic visualizations
Visualizations help demonstrate and visualize the data for descriptive analytics. There are numerous graphs you may use. This book will walk you through some of the fundamental visualizations found in the majority (if not all) tools. We will begin by providing a graphical representation of the visualization and explain when and why you should utilize it.
Bar chart (or column chart or bar graph)
The bar chart belongs to the Ranking functional visualization group. Figure 7.22 shows two types of bar chart:
Figure 7.22 – Two types of bar chart
The most important aspect here is that the Y-axis of a bar chart should begin at 0 (if it does not, please contact the developers). A bar chart is used when an item in an ordered list can be positioned. It is utilized when the absolute or relative value is more essential. A helpful approach here is to emphasize the main topics of interest. When sorted into order, normal...
