14.5 spdep package

spdep package: spatial dependence

• nb class for neighbor

  • list of length 0L for no neighbors

• listw object

  1. nb object
  2. list of numerical weights
  3. how the weights were calculated

• spatialreg package now has the functions for constructing and handling neighbour and spatial weights objects, tests for spatial autocorrelation, and model fitting functions that used to be in spdep