Last chance! 50% off unlimited learning
Sale ends in
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.