Use Response Trace Plot, also known as a component effects plot, to examine the effect of each component on the response. The trace curves show the effect of changing the corresponding component along an imaginary line (direction) connecting the reference blend to a vertex.
Response trace plots are especially useful when there are more than three components in the mixture and you cannot display the complete response surface on a contour plot or surface plot. You can use the response trace plot to identify the most influential components and then plot them on a contour or surface plot.
For example, a researcher creates a mixture design to study how the proportions of three ingredients in a household deodorizer affect the acceptance of the product based on scent. The three components are neroli oil, rose oil, and tangerine oil. To help visualize the component effects, the researcher creates a response trace plot.
Response trace plots use the most recent model that you fit for a response. If you did not perform Analyze Mixture Design, you do not have a model to use.
To create a response trace plot, choose