An S4 class to represent a supply of a commodity

Value

supply object with given specifications.

Slots

name

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

desc

character. Description of the supply object.

commodity

character. The supplied commodity short name.

unit

character. The main unit of the commodity used in the model.

weather

data.frame. Weather factors to apply to the supply.

weather: character. Name of the weather factor to apply. Must match the weather factor names in a weather class in the model.
wava.lo: numeric. Coefficient that links the weather factor with the lower bound of the availability factor ava.lo.
wava.up: numeric. Coefficient that links the weather factor with the upper bound of the availability factor ava.up.
wava.fx: numeric. Coefficient that links the weather factor with the fixed value of the availability factor ava.fx. This parameter overrides wava.lo and wava.up.

reserve

data.frame. Total available resource. Applicable to exhaustible resources. Set for each region. If not set, the resource is considered infinite.

region: character. Region name to apply the parameter. Use NA to apply to all regions.
res.lo: numeric. Lower bound of the total available resource.
res.up: numeric. Upper bound of the total available resource.
res.fx: numeric. Fixed value of the total available resource. This parameter overrides res.lo and res.up.

availability

data.frame. Availability of the resource in physical units.

region: character. Region name to apply the parameter. Use NA to apply to all regions.
year: integer. Year to apply the parameter. Use NA to apply to all years.
slice: character. Time slice to apply the parameter. Use NA to apply to all slices.
ava.lo: numeric. Lower bound of the availability factor.
ava.up: numeric. Upper bound of the availability factor.
ava.fx: numeric. Fixed value of the availability factor. This parameter overrides ava.lo and ava.up.
cost: numeric. Cost of the resource extraction, if not set, the resource is considered free.

region

character. Regions where the supply process exists. Must include all regions used in other slots. availability and reserve slots also limit possible regions.

misc

list. List of additional parameters that are not used in the model but can be used for reference or user-defined functions. For example, links to the source of the supply data, or other metadata.