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choice
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choice of a vehicle among 6 propositions
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college
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college education ?
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hsg2
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size of household greater than 2 ?
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coml5
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commute lower than 5 miles a day ?
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typez
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body type, one of regcar (regular car), sportuv (sport utility vehicle), sportcar, stwagon (station wagon), truck, van, for each proposition z from 1 to 6
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fuelz
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fuel for proposition z, one of gasoline, methanol, cng (compressed natural gas), electric.
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pricez
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price of vehicle divided by the logarithm of income
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rangez
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hundreds of miles vehicle can travel between refuelings/rechargings
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accz
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acceleration, tens of seconds required to reach 30 mph from stop
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speedz
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highest attainable speed in hundreds of mph
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pollutionz
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tailpipe emissions as fraction of those for new gas vehicle
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sizez
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0 for a mini, 1 for a subcompact, 2 for a compact and 3 for a mid–size or large vehicle
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spacez
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fraction of luggage space in comparable new gas vehicle
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costz
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cost per mile of travel (tens of cents) : home recharging for electric vehicle, station refueling otherwise
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stationz
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fraction of stations that can refuel/recharge vehicle
