de.unknownreality.dataframe.group.aggr

Class Aggregate

java.lang.Object

de.unknownreality.dataframe.group.aggr.Aggregate

public class Aggregate
extends Object

Created by Alex on 13.06.2017.

Field Summary

Fields

Modifier and Type	Field and Description
static AggregateFunction<Integer>	count

Constructor Summary

Constructors

Constructor and Description
Aggregate()

Method Summary

Modifier and Type	Method and Description
static AggregateFunction<Integer>	count()
static AggregateFunction<Integer>	filterCount(FilterPredicate filterPredicate)
static AggregateFunction<Integer>	filterCount(String predicateString)
static AggregateFunction<Comparable>	first(String colName)
static AggregateFunction<Comparable>	last(String colName)
static AggregateFunction<Comparable>	max(String colName)
static AggregateFunction<Double>	mean(String colName)
static AggregateFunction<Comparable>	median(String colName)
static AggregateFunction<Comparable>	min(String colName)
static AggregateFunction<Integer>	naCount(String column)
static AggregateFunction<Comparable>	quantile(String colName, double quantile)

Methods inherited from class java.lang.Object

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

Field Detail

count

public static final AggregateFunction<Integer> count

Constructor Detail

Aggregate

public Aggregate()

Method Detail

count

public static AggregateFunction<Integer> count()

mean

public static AggregateFunction<Double> mean(String colName)

median

public static AggregateFunction<Comparable> median(String colName)

min

public static AggregateFunction<Comparable> min(String colName)

max

public static AggregateFunction<Comparable> max(String colName)

filterCount

public static AggregateFunction<Integer> filterCount(FilterPredicate filterPredicate)

filterCount

public static AggregateFunction<Integer> filterCount(String predicateString)

first

public static AggregateFunction<Comparable> first(String colName)

last

public static AggregateFunction<Comparable> last(String colName)

quantile

public static AggregateFunction<Comparable> quantile(String colName,
                                                     double quantile)

naCount

public static AggregateFunction<Integer> naCount(String column)