Package smile.data.formula

package smile.data.formula

The formula interface symbolically specifies the predictors and the response. It is commonly used to generate design matrices for modeling.

Related Packages

Package	Description
smile.data	Data and attribute encapsulation classes.
smile.data.measure	Level of measurement or scale of measure.
smile.data.transform
smile.data.type	Data types.
smile.data.vector	Immutable named vectors.

Class	Description
Abs	The term of abs function.
AbstractBiFunction	This class provides a skeletal implementation of the bi-function term.
AbstractFunction	This class provides a skeletal implementation of the function term.
Add	The term of a + b expression.
Constant	A constant value in the formula.
Date	Date/time feature extractor.
DateFeature	The date/time features.
Div	The term of a / b expression.
DoubleFunction	The generic term of applying a double function.
FactorCrossing	Factor crossing.
FactorInteraction	The interaction of all the factors appearing in the term.
Feature	A feature in the formula once bound to a schema.
Formula	The model fitting formula in a compact symbolic form.
IntFunction	The generic term of applying an integer function.
Mul	The term of a * b expression.
Operator	The infix bifunction term.
Sub	The term of a - b expression.
Term	An abstract term in the formula.
Terms	Predefined terms.