Surface Plot - Settings
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Stat > DOE > Response Surface > Surface Plot > Settings

Use to specify the values at which to hold continuous and categorical variables. When the model has more than two continuous variables, Minitab holds each continuous variable that is not in the plot at a constant value. All categorical variables in the model are also held constant.

Dialog box items

You can use the default values or enter your own values by typing or choosing a value in Setting.

Hold continuous variables at:

Variable: Shows all the names of continuous variables in your model. This column does not take any input.

Setting: Enter a value to hold each continuous variable that is not plotted.

Hold categorical variables at:

Variable: Shows all the names of categorical variables in your model. This column does not take any input.

Setting: Choose a level for each categorical variable.