Aggregations class

Provides aggregation operations.

Constructors

Aggregations()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

mean(Datacat datacat, String columnName) → double

Computes the mean of a numeric column.

sum(Datacat datacat, String columnName) → num

Computes the sum of a numeric column.