topic Re: How to switch Group X to display all items or only certain items? in Discussions

How to switch Group X to display all items or only certain items?

BabyDoragon — Thu, 24 Jul 2025 06:25:30 GMT

How to switch Group X to display all items or only certain items?
As shown in the JSL below, using Where can make Group X display only specific items. However, it is not possible to toggle between displaying all and displaying partial items. How should this be modified? Perhaps using add variable() is needed, but I cannot find how to use add where.

Names Default To Here( 1 );
selection = 1;
New Window( "Example",
	cb = Combo Box( {"Only age 13 and 16", "All age"}, selection = (cb << Get()) ),
	Button Box( "Plot",
		dt = Open( "$SAMPLE_DATA/Big Class.jmp" );

		gb = dt << Graph Builder(
			Size( 528, 500 ),
			Show Control Panel( 0 ),
			Variables( X( :sex ), X( :age, Position( 1 ) ), Y( :height ), Group X( :age ) ),
			Elements( Points( X( 1 ), X( 2 ), Y, Legend( 10 ) ) ),
			If( selection == 1,
				Where( Contains( {13, 16}, :age ) ),

			),

		);
	)
);

Re: How to switch Group X to display all items or only certain items?

jthi — Thu, 24 Jul 2025 06:39:13 GMT

You have multiple different options:

have two separate graph builder expressions
use (hidden) local data filter
build the graph builder expression with Where
use linked subset (which is filtered using your conditions) for the graph builder

Here is one way of using Where

Names Default To Here(1);
selection = 1;
New Window("Example",
	cb = Combo Box({"Only age 13 and 16", "All age"}, selection = (cb << Get())),
	Button Box("Plot",
		dt = Open("$SAMPLE_DATA/Big Class.jmp");
		gb_expr = Expr(Graph Builder(
			Size(528, 500),
			Show Control Panel(0),
			Variables(X(:sex), X(:age, Position(1)), Y(:height), Group X(:age)),
			Elements(Points(X(1), X(2), Y, Legend(10)))
		));
		
		If(selection == 1,
			Insert Into(gb_expr, NameExpr(Where(Contains({13, 16}, :age))));
		);
		gb = Eval(EvalExpr(Send(dt, Expr(gb_expr))));
	)
);