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From wikipedia:

A ternary plot, ternary graph, triangle plot, simplex plot, or de Finetti diagram is a barycentric plot on three variables which sum to a constant.

However, I want to use the plot to map 3 variables on one observation:

  • Efficiency, measured in seconds
  • Revenue generated, measured in £
  • Customer satisfaction, measured in %

I don't want to use a 3D scatter plot, as I only have one observation (in this case, one call centre).

My question is, can I construct a ternary plot (preferably in R) with data on different scales not summing to 100%?

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No, a ternary plot is only able to collapse three dimensions into two because the third variable is dependent on the other two. z = 100% - x - y.

Instead, you might try a 2D scatter plot for two of your variables and color for the third variable.

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