Here is the script from a Saved Factors table. It should give you a clue as to what it takes to make a Factors Table.
New Table( "zippy",
Add Rows( 2 ),
New Table Variable( "Table Type", "DOE Factor Table" ),
New Column( "X1",
Numeric,
"Continuous",
Format( "Best", 12 ),
Set Property( "Design Role", Design Role( Continuous ) ),
Set Property( "Factor Changes", Easy ),
Set Selected,
Set Values( [-1, 1] )
),
New Column( "X2",
Numeric,
"Continuous",
Format( "Best", 12 ),
Set Property( "Design Role", Design Role( Discrete Numeric ) ),
Set Property( "Factor Changes", Easy ),
Set Selected,
Set Values( [-1, 1] )
)
)
Jim