• Name of Tool: Tableau Public
• Country: U.S.
• Disease: Chlamydia
• Year: 2006-2016
• Visual Mappings:
size: The color is mapped to the size of the count value, namely the number of people sick.
shape: Each small rectangle is mapped to a certain year, and a large rectangle maps the number of years.
size: The size shows the sum CountValue.
• Unique Observation: we can see that number of patients in 2012，2006，2015，2014，2011，2010，2000, which the figure occupied the largest proportion in 2010. Besides, we can hardly see other reports about chlamydia.
• Data Preparation: We need to know the annual data of each state, the color depth refers to the number of patients.
Source : Data from Project Tycho (https://www.tycho.pitt.edu/)
Question : Is my diagram reasonably showing visual Chlamydia in the US?