Method effect

src/com/winvector/variables/LevelIndicators.java:92–95

(final int base, final double[] x, final String level)

	}
	
	@Override
	public double effect(final int base, final double[] x, final String level) {
		return x[base+index+levelCodes.get(level)];
	}
	
	@Override
	public double effectTest(final int base, final double[] x, final String level) {