Package smile.data
Enum Attribute.Type
- java.lang.Object
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- java.lang.Enum<Attribute.Type>
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- smile.data.Attribute.Type
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<Attribute.Type>
- Enclosing class:
- Attribute
public static enum Attribute.Type extends java.lang.Enum<Attribute.Type>
The type of attributes.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static Attribute.Type
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static Attribute.Type[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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NUMERIC
public static final Attribute.Type NUMERIC
Numeric attribute.
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NOMINAL
public static final Attribute.Type NOMINAL
Nominal attribute. Variables assessed on a nominal scale are called categorical variables.
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STRING
public static final Attribute.Type STRING
String attribute. Note that strings should not be treated as nominal attribute because one may use some part of strings (e.g. suffix or prefix) instead of the original string as features.
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DATE
public static final Attribute.Type DATE
Date attribute. A date type also optionally specifies the format in which the date is presented, with the default being in ISO-8601 format.
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Method Detail
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values
public static Attribute.Type[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (Attribute.Type c : Attribute.Type.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static Attribute.Type valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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