1.
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Select DOE > Special Purpose > Covering Array.
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2.
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3.
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Select Load Factors from the red triangle menu.
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Figure A.31 Factors Outline for Software Factors
4.
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Click Continue.
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5.
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Click Make Design.
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6.
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Click Make Table.
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7.
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Figure A.32 Column Info Window for Factor A
Notice that Web Browser has a Numeric data type and a Nominal modeling type. The underlying values of Web Browser are the integers 1, 2, 3, 4, and 5. These values are assigned value labels corresponding to the values that you entered when you constructed the design.
8.
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Select 2 = IE in the Value Labels list.
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Figure A.33 Value Labels Panel with Selection
9.
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Type Internet Explorer next to Label.
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10.
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Click Change.
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