Method LevelVectors

src/com/winvector/variables/LevelVectors.java:36–46

(final String origColumn, final int index, 
			final Map<String,VectorRow> levelCodes)

	}
	
	public LevelVectors(final String origColumn, final int index, 
			final Map<String,VectorRow> levelCodes) { 
		this.origColumn = origColumn;
		this.index = index;
		this.levelCodes = levelCodes;
		if(!levelCodes.isEmpty()) {
			targetDim = levelCodes.values().iterator().next().levelEncodings.length;
		} else {
			targetDim = 0;
		}
	}
	
	@Override
	public String origColumn() {