smile.data.formula

Class Date

java.lang.Object

smile.data.formula.Date

All Implemented Interfaces:

java.io.Serializable, Term

public class Date
extends java.lang.Object
implements Term

Date/time feature extractor.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Date(java.lang.String name, DateFeature... features) Constructor.

Method Summary

Modifier and Type	Method and Description
java.util.List<Feature>	bind(StructType schema) Binds the term to a schema.
java.lang.String	toString()
java.util.Set<java.lang.String>	variables() Returns the list of variables used in this term.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface smile.data.formula.Term

expand

Constructor Detail

Date

public Date(java.lang.String name,
            DateFeature... features)

Constructor.

Parameters:

name - the name of variable/column.

features - the date/time features to extract.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

variables

public java.util.Set<java.lang.String> variables()

Description copied from interface: Term

Returns the list of variables used in this term.

Specified by:

variables in interface Term

bind

public java.util.List<Feature> bind(StructType schema)

Description copied from interface: Term

Binds the term to a schema.

Specified by:

bind in interface Term