lines (0.1 * i)
			{
				type: 'spline',
				name: 'F-isoline (F-score = 0.1)',
				data: fs[0],
				showInLegend: false,
			}, {
				type: 'spline',
				name: 'F-isoline (F-score = 0.2)',
				data: fs[1],
				showInLegend: false,
			}, {
				type: 'spline',
				name: 'F-isoline (F-score = 0.3)',
				data: fs[2],
				showInLegend: false,
			}, {
				type: 'spline',
				name: 'F-isoline (F-score = 0.4)',
				data: fs[3],
				showInLegend: false,
			}, {
				type: 'spline',
				name: 'F-isoline (F-score = 0.5