Interaction of Two Independent Variables
The more common plot referred to as a carpet plot is one that illustrates the interaction between two or more independent variables and one or more dependent variables. One feature that distinguishes a carpet plot from an equivalent contour plot or 3D surface plot is that a carpet plot facilitates interpolation. A carpet plot with two independent and one dependent variables is often called a cheater plot for the use of a phantom "cheater" axis in lieu of the horizontal axis. A carpet plot can capture the interaction of up to three independent variables and two dependent variables and still be clearly read and interpolated.
Carpet plots have common application within areas such as material science for showing elastic modulus in laminates, and within aeronautics.
Read more about this topic: Carpet Plot
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