Data Visualization Analysis

Statistics Canada released this visualization December 2017 showing Employed labour force who worked full year, full time and reported employment income in 2015.  The visualization is concisely designed, comprehensible, and visually appealing, but it does not provide the information in the clearest way possible. The pie chart was a poor choice to display the collected data because there are too many individual slices of the chart. In addition, the visualization relies on its core center to provide information instead of focusing on its interactive portion. The slices of the pie chart would be meaningless without the core center.  Moreover, the occupation titles appear on some of the categories but they are cut off and not fully legible. The incomplete titles cannot be fully seen unless they are clicked on.

The visualization can be filtered by using the drop-down menu to select National Occupational Classification (NOC), Highest certificate, diploma or degree, or, by Geographical location to provide more specific information. 

The list that the drop-down menu provides for the NOC is extremely long and tedious to scroll through.

The visualization could have been simplified if there was less data represented. The pie chart that shows the total occupations is an overwhelming image and does not make sense if the numbers were removed. Once a more specific category is selected the visualization is improved and simplified because there is less to look at. However, even the simplified chart is poorly constructed because the rings would not make sense without the core center providing numbers.

The visualization has too much information for it to work in this format. Some of the slices in the pie chart are so small that it is easy to pass over them. For example, the Architectural technologists and technicians category is barely visible. This visualization would work better as a series of bar charts broken down by field of occupation. If the charts were displayed as bar charts the information would be clearer to interpret with or without showing numbers.

The interactive portion of the visualization was its strongest element. It was easy to maneuver and simple to understand. The visualization was accessible to interact with either by using the drop-down menu to refine the search or by scrolling over the different slices and clicking on one to learn more information. The biggest critique is that the amount of information the visualization is attempting to provide is does not display well in pie chart format.

Source: Employed labour force who worked full year, full time and reported employment income in 2015, 2016 Census (Table). http://www12.statcan.gc.ca/census-recensement/2016/dp-pd/dv-vd/occ-pro/index-eng.cfm

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