Uses of Class
com.pervasive.datarush.operators.group.Aggregation

Packages that use Aggregation

Package	Description
com.pervasive.datarush.aggregations
com.pervasive.datarush.operators.group	Provides data aggregation components.
com.pervasive.datarush.operators.record	Provides operators for manipulating record structure.

Uses of Aggregation in com.pervasive.datarush.aggregations

Methods in com.pervasive.datarush.aggregations that return Aggregation

Modifier and Type	Method and Description
Aggregation	AggregationRegistry.getAggregation(String name, ScalarValuedFunction[] arguments) Invoke an Aggregation by name, using the supplied arguments.

Uses of Aggregation in com.pervasive.datarush.operators.group

Methods in com.pervasive.datarush.operators.group that return Aggregation

Modifier and Type	Method and Description
Aggregation	Aggregation.as(String label) Creates an identical aggregation whose output field name will be the specified label.
static Aggregation	Aggregation.avg(ScalarValuedFunction input) Create an average value aggregation for the given input.
static Aggregation	Aggregation.avg(String input) Create an average value aggregation for the given input.
static Aggregation	Aggregation.corr(ScalarValuedFunction input1, ScalarValuedFunction input2) Create a correlation aggregation for the given inputs.
static Aggregation	Aggregation.corr(String input1, String input2) Create a correlation aggregation for the given inputs.
static Aggregation	Aggregation.count() Create a count aggregation for all rows within a group.
static Aggregation	Aggregation.count(ScalarValuedFunction input) Create a value count aggregation for the given input.
static Aggregation	Aggregation.count(String input) Create a value count aggregation for the given input.
static Aggregation	Aggregation.covar(ScalarValuedFunction input1, ScalarValuedFunction input2) Create a covariance aggregation for the given inputs.
static Aggregation	Aggregation.covar(ScalarValuedFunction input1, ScalarValuedFunction input2, boolean sample) Create a covariance aggregation for the given inputs.
static Aggregation	Aggregation.covar(String input1, String input2) Create a covariance aggregation for the given inputs.
static Aggregation	Aggregation.covar(String input1, String input2, boolean sample) Create a covariance aggregation for the given inputs.
Aggregation	Aggregation.distinct(boolean distinct) Creates an identical aggregation whose distinct flag is set to the specified value.
static Aggregation	Aggregation.geoAvg(ScalarValuedFunction input) Create a geometric average value aggregation for the given input.
static Aggregation	Aggregation.geoAvg(String input) Create a geometric average value aggregation for the given input.
Aggregation[]	Group.getAggregations() Returns the aggregations to apply to the data.
static Aggregation	Aggregation.harmAvg(ScalarValuedFunction input) Create an harmonic average value aggregation for the given input.
static Aggregation	Aggregation.harmAvg(String input) Create an harmonic average value aggregation for the given input.
static Aggregation	Aggregation.kurtosis(ScalarValuedFunction input) Create a kurtosis aggregation for the given input.
static Aggregation	Aggregation.kurtosis(ScalarValuedFunction input, boolean sample) Create a kurtosis aggregation for the given input.
static Aggregation	Aggregation.kurtosis(String input) Create a kurtosis aggregation for the given input.
static Aggregation	Aggregation.kurtosis(String input, boolean sample) Create a kurtosis aggregation for the given input.
static Aggregation	Aggregation.max(ScalarValuedFunction input) Create a maximum value aggregation for the given input.
static Aggregation	Aggregation.max(String input) Create a maximum value aggregation for the given input.
static Aggregation	Aggregation.min(ScalarValuedFunction input) Create a minimum value aggregation for the given input.
static Aggregation	Aggregation.min(String input) Create a minimum value aggregation for the given input.
static Aggregation	Aggregation.moment(ScalarValuedFunction input, int k) Create a central moment aggregation for the given input.
static Aggregation	Aggregation.moment(String input, int k) Create a central moment aggregation for the given input.
static Aggregation	Aggregation.skewness(ScalarValuedFunction input) Create a skewness aggregation for the given input.
static Aggregation	Aggregation.skewness(ScalarValuedFunction input, boolean sample) Create a skewness aggregation for the given input.
static Aggregation	Aggregation.skewness(String input) Create a skewness aggregation for the given input.
static Aggregation	Aggregation.skewness(String input, boolean sample) Create a skewness aggregation for the given input.
static Aggregation	Aggregation.stddev(ScalarValuedFunction input) Create a standard deviation aggregation for the given input.
static Aggregation	Aggregation.stddev(ScalarValuedFunction input, boolean sample) Create a standard deviation aggregation for the given input.
static Aggregation	Aggregation.stddev(String input) Create a standard deviation aggregation for the given input.
static Aggregation	Aggregation.stddev(String input, boolean sample) Create a standard deviation aggregation for the given input.
static Aggregation	Aggregation.sum(ScalarValuedFunction input) Create a value summation aggregation for the given input.
static Aggregation	Aggregation.sum(String input) Create a value summation aggregation for the given input.
static Aggregation	Aggregation.sumSquares(ScalarValuedFunction input) Create a sum-squares aggregation for the given input.
static Aggregation	Aggregation.sumSquares(String input) Create a sum-squares aggregation for the given input.
static Aggregation	Aggregation.var(ScalarValuedFunction input) Create a variance aggregation for the given input.
static Aggregation	Aggregation.var(ScalarValuedFunction input, boolean sample) Create a variance aggregation for the given input.
static Aggregation	Aggregation.var(String input) Create a variance aggregation for the given input.
static Aggregation	Aggregation.var(String input, boolean sample) Create a variance aggregation for the given input.

Methods in com.pervasive.datarush.operators.group with parameters of type Aggregation

Modifier and Type	Method and Description
void	Group.setAggregations(Aggregation[] aggregations) Sets the aggregations to apply to the data.

Constructor parameters in com.pervasive.datarush.operators.group with type arguments of type Aggregation

Constructor and Description
Group(List<String> keys, List<Aggregation> aggregations) Create a new group plan, specifying keys and aggegations.

Uses of Aggregation in com.pervasive.datarush.operators.record

Methods in com.pervasive.datarush.operators.record that return types with arguments of type Aggregation

Modifier and Type	Method and Description
List<Aggregation>	RowsToColumns.getAggregations() Get the aggregation(s) applied to each pivot group.

Methods in com.pervasive.datarush.operators.record with parameters of type Aggregation

Modifier and Type	Method and Description
void	RowsToColumns.setAggregations(Aggregation... aggregations) Set the aggregation(s) to apply to each pivot grouping.

Method parameters in com.pervasive.datarush.operators.record with type arguments of type Aggregation

Modifier and Type	Method and Description
void	RowsToColumns.setAggregations(List<Aggregation> aggregations) Set the aggregation(s) to apply to each pivot grouping.