Description Usage Format Source Examples
30 time series oservations all expressed in index form
1  | data("demand")
 | 
A data frame with 30 observations on the following 7 variables.
p1price of meat
p2price of fruit and vegetables
p3price of cereal and bakery products
yincome
q1quantity of meat
q2quantity of fruit and vegetables
q3quantity of cereal and bakery products
http://principlesofeconometrics.com/poe4/poe4.htm
1 2  | 
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