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.
  • 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.
    Delete
    Remove a factor from the formula.
    Div
    The term of a / b expression.
    Dot
    The special term "." means all columns not otherwise in the formula in the context of a data frame.
    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.
    Intercept
    The flag if intercept should be included in the model.
    IntFunction
    The generic term of applying an integer function.
    Mul
    The term of a * b expression.
    Operator
    The infix bifunction term.
    Round
    The term of round function.
    Sub
    The term of a - b expression.
    Term
    An abstract term in the formula.
    Terms
    Predefined terms.
    Variable
    A variable in the formula.