Elements( Points( X, Y, Legend( 38 ) ) ),
{},
"row",
ScaleBox,
{Min( 65 ), Max( 0 ), Inc( 5 ), Minor Ticks( 1 )}
),
Here is the example JSL from the scripting index (Help==>Scripting Index) on specifying how to reverse the scale
Names Default To Here( 1 );
Open( "$sample_data/big class.jmp" );
gb = Graph Builder(
Variables( X( :height ), Y( :weight ) ),
Elements( Points( X, Y ), Smoother( X, Y ) )
);
gbr = Report( gb );
gbr[axisbox( 1 )] << Reversed Scale( 1 );