A data frame with prices of bottles of Barolo wine
and some auxiliary variables
Usage
data(barolo)
Format
A data frame with 307 observations on five variables, as follows:
reseller
reseller code (factor with levels A, B, C, D)
vintage
vintage year (numeric)
volume
content volume in centilitres (numeric)
price
price in Euro (numeric)
age
age in 2010 (numeric)
For six items, vintage is NA's and so also age.
Three items have a non-standard volume of 50 cl.
Details
The data have been obtained in July 2010 from the websites
of four Italian wine resellers, selecting only quotations of Barolo
wine, which is produced in the Piedmont region of Italy.
The price does not include the delivery charge.
The data have been presented in Section 4.3.2 of the reference below,
where a subset of them has been used for illustrative purposes.
This subset refers to reseller "A" and bottles of 75cl.
Source
Azzalini, A. with the collaboration of Capitanio, A. (2014).
The Skew-Normal and Related Families.
Cambridge University Press, IMS Monographs series.