类 Grouping
- java.lang.Object
-
- org.meteoinfo.dataframe.impl.Grouping
-
- 所有已实现的接口:
Iterable<Map.Entry<Object,SparseBitSet>>
public class Grouping extends Object implements Iterable<Map.Entry<Object,SparseBitSet>>
-
-
构造器概要
构造器 构造器 说明 Grouping()Grouping(DataFrame df, Integer... columns)Grouping(DataFrame df, KeyFunction<V> function, Integer... columns)Grouping(DataFrame df, WindowFunction function)Grouping(Series series)Grouping(Series series, KeyFunction<V> function)Grouping(Series series, TimeFunction<LocalDateTime,String> function)Grouping(Series series, WindowFunction function)
-
方法概要
所有方法 实例方法 具体方法 修饰符和类型 方法 说明 <V> DataFrameapply(DataFrame df, Function<?,?> function)<V> Seriesapply(Series series, Function<?,?> function)Set<Integer>columns()SparseBitSetgetGroup(Object key)Get a groupIterator<Map.Entry<Object,SparseBitSet>>iterator()Set<Object>keys()-
从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
从接口继承的方法 java.lang.Iterable
forEach, spliterator
-
-
-
-
构造器详细资料
-
Grouping
public Grouping()
-
Grouping
public Grouping(Series series, KeyFunction<V> function)
-
Grouping
public Grouping(Series series, TimeFunction<LocalDateTime,String> function)
-
Grouping
public Grouping(Series series)
-
Grouping
public Grouping(Series series, WindowFunction function)
-
Grouping
public Grouping(DataFrame df, KeyFunction<V> function, Integer... columns)
-
Grouping
public Grouping(DataFrame df, WindowFunction function)
-
-
方法详细资料
-
getGroup
public SparseBitSet getGroup(Object key)
Get a group- 参数:
key- The group key- 返回:
- A group
-
iterator
public Iterator<Map.Entry<Object,SparseBitSet>> iterator()
- 指定者:
iterator在接口中Iterable<Map.Entry<Object,SparseBitSet>>
-
-