Monthly public transit boardings and gasoline price in Denver
Monthly public transit boardings (mostly buses and light rail) and gasoline price (both log-transformed), Denver, Colorado region, 08/2000 - 03/2006.
Personal communication from Lee Cryer, Project Manager, Regional Transportation District, Denver, Colorado. Denver gasoline prices were obtained from the Energy Information Administration, U.S. Department of Energy, Washington, D.C.at www.eia.doe.gov
data(boardings) plot(boardings) ## maybe str(boardings) ; plot(boardings) ...
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