tech.tablesaw.table

Class ViewGroup

java.lang.Object

tech.tablesaw.table.ViewGroup

All Implemented Interfaces:

Iterable<TemporaryView>

public class ViewGroup
extends Object
implements Iterable<TemporaryView>

A group of tables formed by performing splitting operations on an original table

Constructor Summary

Constructors

Constructor and Description
ViewGroup(Table original, Column... columns)

Method Summary

Modifier and Type	Method and Description
NumericSummaryTable	agg(Map<String,AggregateFunction> functions) Applies the given aggregations to the given columns.
NumericSummaryTable	agg(String colName1, AggregateFunction func1) Applies the given aggregation to the given column.
NumericSummaryTable	agg(String colName1, AggregateFunction func1, String colName2, AggregateFunction func2) Applies the given aggregation to the given column.
NumericSummaryTable	agg(String colName1, AggregateFunction func1, String colName2, AggregateFunction func2, String colName3, AggregateFunction func3) Applies the given aggregation to the given column.
NumericSummaryTable	agg(String colName1, AggregateFunction func1, String colName2, AggregateFunction func2, String colName3, AggregateFunction func3, String colName4, AggregateFunction func4) Applies the given aggregation to the given column.
NumericSummaryTable	count(String columnName)
static ViewGroup	create(Table original, String... columnsNames)
NumericSummaryTable	first(String columnName)
NumericSummaryTable	geometricMean(String columnName)
TemporaryView	get(int i)
Table	getSortedOriginal()
List<TemporaryView>	getSubTables()
Iterator<TemporaryView>	iterator() Returns an iterator over elements of type T.
NumericSummaryTable	kurtosis(String columnName)
NumericSummaryTable	last(String columnName)
NumericSummaryTable	max(String columnName)
NumericSummaryTable	mean(String columnName)
NumericSummaryTable	median(String columnName)
NumericSummaryTable	min(String columnName)
NumericSummaryTable	percentile90(String columnName)
NumericSummaryTable	percentile95(String columnName)
NumericSummaryTable	percentile99(String columnName)
NumericSummaryTable	populationVariance(String columnName)
NumericSummaryTable	product(String columnName)
NumericSummaryTable	quadraticMean(String columnName)
NumericSummaryTable	quartile1(String columnName)
NumericSummaryTable	quartile3(String columnName)
NumericSummaryTable	range(String columnName)
int	size()
NumericSummaryTable	skewness(String columnName)
NumericSummaryTable	stdDev(String columnName)
NumericSummaryTable	sum(String columnName)
NumericSummaryTable	sumOfLogs(String columnName)
NumericSummaryTable	sumOfSquares(String columnName)
NumericSummaryTable	variance(String columnName)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

ViewGroup

public ViewGroup(Table original,
                 Column... columns)

Method Detail

create

public static ViewGroup create(Table original,
                               String... columnsNames)

getSubTables

public List<TemporaryView> getSubTables()

get

public TemporaryView get(int i)

getSortedOriginal

public Table getSortedOriginal()

size

public int size()

first

public NumericSummaryTable first(String columnName)

last

public NumericSummaryTable last(String columnName)

count

public NumericSummaryTable count(String columnName)

mean

public NumericSummaryTable mean(String columnName)

sum

public NumericSummaryTable sum(String columnName)

median

public NumericSummaryTable median(String columnName)

quartile1

public NumericSummaryTable quartile1(String columnName)

quartile3

public NumericSummaryTable quartile3(String columnName)

percentile90

public NumericSummaryTable percentile90(String columnName)

percentile95

public NumericSummaryTable percentile95(String columnName)

percentile99

public NumericSummaryTable percentile99(String columnName)

range

public NumericSummaryTable range(String columnName)

min

public NumericSummaryTable min(String columnName)

max

public NumericSummaryTable max(String columnName)

product

public NumericSummaryTable product(String columnName)

geometricMean

public NumericSummaryTable geometricMean(String columnName)

populationVariance

public NumericSummaryTable populationVariance(String columnName)

quadraticMean

public NumericSummaryTable quadraticMean(String columnName)

kurtosis

public NumericSummaryTable kurtosis(String columnName)

skewness

public NumericSummaryTable skewness(String columnName)

sumOfSquares

public NumericSummaryTable sumOfSquares(String columnName)

sumOfLogs

public NumericSummaryTable sumOfLogs(String columnName)

variance

public NumericSummaryTable variance(String columnName)

stdDev

public NumericSummaryTable stdDev(String columnName)

agg

public NumericSummaryTable agg(String colName1,
                               AggregateFunction func1)

Applies the given aggregation to the given column. The apply and combine steps of a split-apply-combine.

agg

public NumericSummaryTable agg(String colName1,
                               AggregateFunction func1,
                               String colName2,
                               AggregateFunction func2)

Applies the given aggregation to the given column. The apply and combine steps of a split-apply-combine.

agg

public NumericSummaryTable agg(String colName1,
                               AggregateFunction func1,
                               String colName2,
                               AggregateFunction func2,
                               String colName3,
                               AggregateFunction func3)

Applies the given aggregation to the given column. The apply and combine steps of a split-apply-combine.

agg

public NumericSummaryTable agg(String colName1,
                               AggregateFunction func1,
                               String colName2,
                               AggregateFunction func2,
                               String colName3,
                               AggregateFunction func3,
                               String colName4,
                               AggregateFunction func4)

Applies the given aggregation to the given column. The apply and combine steps of a split-apply-combine.

agg

public NumericSummaryTable agg(Map<String,AggregateFunction> functions)

Applies the given aggregations to the given columns. The apply and combine steps of a split-apply-combine.

Parameters:

functions - map from column name to aggregation to apply on that function

iterator

public Iterator<TemporaryView> iterator()

Returns an iterator over elements of type T.

Specified by:

iterator in interface Iterable<TemporaryView>

Returns:

an Iterator.