powered by
a cross-section
number of observations : 2412
observation : individuals
country : United States
data(Yogurt)
A dataframe containing :
individuals identifiers
one of yoplait, dannon, hiland, weight (weight watcher)
is there a newspaper feature advertisement for brand z ?
price of brand z
Journal of Business Economics and Statistics web site : http://amstat.tandfonline.com/loi/ubes20.
Index.Source, Index.Economics, Index.Econometrics, Index.Observations
Index.Source
Index.Economics
Index.Econometrics
Index.Observations