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Icecream sales

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Keywords:
icecream, sales
Categories:
regression, time series;
popular
Description:
The data give the icecream consumption over 30 four-week periods from 18 March 1950 to 11 July 1953.

There are thirty observations over four variables.

Variables:
Period The week of the study
Consumption The icecream consumption (in pints per capita)
Price The price of icecream (in dollars)
Income The weekly family income (in dollars)
Temp The mean temperature (in degrees F)
Data Quality:
There are no missing values.
Source:
Hand et al.
Kadiyala, Koteswara Rao (1970). `Testing for the Independence of Regression Disturbances' in Econometrics, 38(1), 97--117, but originally from a Technical Bulletin issued by Michigan State University by Hildreth and Lu.
Notes:
The data can be used to demonstrate autocorrelated residuals in multiple regression.
References: