R Dataset / Package Ecdat / Yogurt

On this R-data statistics page, you will find information about the Yogurt data set which pertains to Choice of Brand for Yogurts . The Yogurt data set is found in the Ecdat R package. You can load the Yogurt data set in R by issuing the following command at the console data("Yogurt"). This will load the data into a variable called Yogurt. If R says the Yogurt data set is not found, you can try installing the package by issuing this command install.packages("Ecdat") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Yogurt R data set. The size of this file is about 125,866 bytes.

Choice of Brand for Yogurts

Description

a cross-section

number of observations : 2412

observation : individuals

country : United States

Usage

data(Yogurt)

Format

A dataframe containing :

id: individuals identifiers
choice: one of yoplait, dannon, hiland, weight (weight watcher)
feat.z: is there a newspaper feature advertisement for brand z ?
price.z: price of brand z

Source

Jain, Dipak C., Naufel J. Vilcassim and Pradeep K. Chintagunta (1994) “A random–coefficients logit brand–choice model applied to panel data”, Journal of Business and Economics Statistics, 12(3), 317.

References

Journal of Business Economics and Statistics web site : http://amstat.tandfonline.com/loi/ubes20.

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