Without seeing any examples what you have tried it is difficult to give advice. Below is example with Graph Builder and splitter boxes
Names Default To Here(1);
dt = Open("$SAMPLE_DATA/Big Class.jmp");
New Window("Splitter Example",
	box = V Splitter Box(
		Size(640, 480),
		H Splitter Box(
			dt << Graph Builder(
				Show Control Panel(0),
				Variables(X(:weight), Y(:height)),
				Elements(Points(X, Y), Smoother(X, Y))
			),
			dt << Graph Builder(
				Show Control Panel(0),
				Variables(X(:height), Y(:weight)),
				Elements(Points(X, Y), Smoother(X, Y))
			)
		),
		H Splitter Box(
			dt << Graph Builder(
				Show Control Panel(0),
				Variables(X(:sex), Y(:weight)),
				Elements(Points(X, Y), Smoother(X, Y))
			),
			dt << Graph Builder(
				Show Control Panel(0),
				Variables(X(:age), Y(:weight)),
				Elements(Points(X, Y), Smoother(X, Y))
			)
		)
	)
);

 
					
				
			
			
				
	-Jarmo