An S4 class to add costs to objective function

Costs object is used to define additional costs to add to the model's objective function.

Slots

name

character. Name of the cost object, used in sets.

desc

character. Description of the cost object for own references.

variable

character. Name of the variable included in the costs-constraint.

subset

data.frame. Named list or data frame with set-values for each dimension of the variable. This slot subsets the variable to the specified set values.

mult

data.frame. Named list or data frame with numeric values for the variable included in the costs-constraint. A constant or a data frame with the same dimensions as the subseted variable.

misc

list. Additional information.

See also

Other class constraint policy: class-constraint, newConstraint(), newCosts(), newSubsidy(), newTax(), subsidy-class, tax-class