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mlogit (version 1.1-1)

Heating: Heating System Choice in California Houses

Description

A sample of 900 Californian households#'

Arguments

Format

A dataframe containing:

  • idcase: id,

  • depvar: heating system, one of gc (gas central), gr (gas room), ec (electric central), er (electric room), hp (heat pump),

  • ic.z: installation cost for heating system z (defined for the 5 heating systems),

  • oc.z: annual operating cost for heating system z (defined for the 5 heating systems),

  • pb.z: ratio oc.z/ic.z ,

  • income: annual income of the household,

  • agehed: age of the household head

  • rooms: numbers of rooms in the house,