Supply-Demand Index (SDI) per region — spatial_supply_demand • dynasimR

Computes a per-region Supply-Demand Index: the ratio of available service capacity to demand. Values > 1 indicate oversupply, values < 1 undersupply.

Usage

spatial_supply_demand(
  data,
  region_col = "region",
  supply_col = "supply",
  demand_col = "demand",
  eps = 1
)

Arguments

data: A dynasimR_data object or summary tibble with region, supply and demand columns.
region_col: Character. Region column name. Default "region".
supply_col: Character. Supply column name. Default "supply".
demand_col: Character. Demand column name. Default "demand".
eps: Numeric. Offset to avoid division by zero. Default 1.

Value

A tibble with columns region, supply_median, demand_median, sdi_median, sdi_q025, sdi_q975, undersupply.