Date

java.lang.Object

smile.data.formula.Date

All Implemented Interfaces:: Serializable, Term

public class Date extends Object implements Term

Date/time feature extractor.

See Also:

Constructor Summary

Constructors

Constructor

Description

Date(String name, DateFeature... features)

Constructor.
Method Summary

Modifier and Type

Method

Description

List<Feature>

bind(StructType schema)

Binds the term to a schema.

String

toString()

Set<String>

variables()

Returns the set 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 Details
- Date
  
  public Date(String name, DateFeature... features)
  
  Constructor.
  
  Parameters:
  
  name - the name of variable/column.
  
  features - the date/time features to extract.
Method Details
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object
- variables
  
  public Set<String> variables()
  
  Description copied from interface: Term
  
  Returns the set of variables used in this term.
  
  Specified by:
  
  variables in interface Term
  
  Returns:
  
  the set of variables used in this term.
- bind
  
  public List<Feature> bind(StructType schema)
  
  Description copied from interface: Term
  
  Binds the term to a schema.
  
  Specified by:
  
  bind in interface Term
  
  Parameters:
  
  schema - the schema to bind the term with.
  
  Returns:
  
  the feature list.