/edu/uncc/parsets/data/DataType.java

 1package edu.uncc.parsets.data;
 2
 3/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 4 * Copyright (c) 2009, Robert Kosara, Caroline Ziemkiewicz,
 5 *                     and others (see Authors.txt for full list)
 6 * All rights reserved.
 7 * 
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30\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
31
32/**
33 * The type of data per dimension. Each DimensionDescriptor know its data type, so we can treat it
34 * correctly.
35 * 
36 */
37public enum DataType {
38
39	/**
40	 * Categorical data. The values are read and treated as strings, and there are only a few of them.
41	 * There is no inherent ordering.
42	 */
43	categorical,
44
45	/**
46	 * Numerical data. This type of data is continuous, and there are many different values. The data
47	 * is treated as floats internally, even if they really are integers, to keep things simpler.
48	 */
49	numerical,
50
51	/**
52	 * Textual data. This is similar to categorical, but there are more strings and we treat them as
53	 * text, so there is a possible ordering.
54	 */
55	textual;
56	
57	public static final String dataTypeNames[] = {"Categories", "Numbers", "Text"};
58	
59	public static DataType typeFromString(String typeString) {
60		if (typeString.equals("categorical"))
61			return categorical;
62		else if (typeString.equals("int") || typeString.equals("float"))
63			return numerical;
64		else if (typeString.equals("text"))
65			return textual;
66		else
67			return null;
68	}
69}