The files ICECREAM contain data taken from Hildreth and Lu's 1960 paper on "Demand relations with autocorrelated disturbances" (Technical Bulletin 276, Michigan State University). The data used in this study are time series data with four-weekly observations from 18 March 1951 to 11 July 1953 on the following variables: Variable list: cons income price temp time Variable labels: cons: consumption of ice cream per head (in pints); income: average family income per week (in US Dollars); price: price of ice cream (per pint); temp: average temperature (in Fahrenheit); time: index from 1 to 30 Descriptive statistics: Variable | Obs Mean Std. Dev. Min Max ---------+----------------------------------------------------- time | 30 15.5 8.803408 1 30 cons | 30 .3594333 .0657905 .256 .548 price | 30 .2753 .0083425 .26 .292 income | 30 84.6 6.24555 76 96 temp | 30 49.1 16.42192 24 72
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