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I remember being confused by this before, but don't remember the resolution: how is it that we're supposed to interpret that ring chart on the lower right? I t

by blahedo 14y ago

I remember being confused by this before, but don't remember the resolution: how is it that we're supposed to interpret that ring chart on the lower right? I think I understand the numbers written next to the countries on the ring (namely, percent of ALL internet traffic represented by IE6 users in that country—adding up to 6.3%, the number in the box on the upper right), but those numbers don't correspond to the proportion of the ring. EDIT: For instance, consider the US. 0.6% of US users use IE6 (from the map). US usage is high, so that accounts for 1.3% of world internet traffic being US-IE6 users, which would be a bit more than 1/5 of the IE6 users. But the US segment of the ring chart is maybe 1/12 of the ring. What does that 1/12 correspond to?

infinity 14y ago
This inaccuracy is a common problem with graphs and charts. The proprotions do not match in this case. Maybe the ring has been designed by a designer, constructed with old data, and now it is easy to change the numbers in the graphic, but difficult to adjust the size of the ring segments? Or maybe somebody has just forgotten to update the ring segments when the last update of the numbers was made. Sometimes fancy, but graphically inccurate, charts are used to cheat and deceive, by representing small things larger or big things smaller. Putting a pie chart in 3D can have the effect of altering the perceived information, because if you're looking at the pie chart from above but slighly sideways, the part of the chart closer to you may appear larger, and since you can rotate the chart before rendering the final picture the choice of that part is yours.