A sample of 250 Californian households
A dataframe containing :
depvar: heating system, one of gcc
(gas central heat with
cooling), ecc
(electric central resistence heat with cooling), erc
(electric room resistence heat with cooling), hpc
(electric heat
pump which provides cooling also), gc
(gas central heat without
cooling), ec
(electric central resistence heat without cooling), er
(electric room resistence heat without cooling),
ich.z: installation cost of the heating portion of the system,
icca: installation cost for cooling,
och.z: operating cost for the heating portion of the system,
occa: operating cost for cooling,
income: annual income of the household.
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