Module org.jooq
Package org.jooq.impl

Interface QOM.RegrR2

All Superinterfaces:
AggregateFilterStep<BigDecimal>, AggregateFunction<BigDecimal>, Field<BigDecimal>, FieldOrConstraint, FieldOrRow, FieldOrRowOrSelect, GroupField, Named, OrderField<BigDecimal>, QueryPart, SelectField<BigDecimal>, SelectFieldOrAsterisk, Serializable, TableElement, Typed<BigDecimal>, WindowBeforeOverStep<BigDecimal>, WindowOverStep<BigDecimal>
Enclosing class:
QOM

public static interface QOM.RegrR2 extends AggregateFunction<BigDecimal>
The REGR R2 function.

Calculate the coefficient of determination. This standard SQL function may be supported natively, or emulated using DSL.sum(Field) and DSL.count(Field). If an emulation is applied, beware of the risk of "Catastrophic cancellation" in case the calculations are performed using floating point arithmetic.