Understanding sales
sales.data contains information on beer volume SALES recorded over 124 WEEKS as well as past marketing activities run by the brewery such as PRICE, DISPLAY, and COUPON promotion campaigns.
To get a first impression about volume SALES you calculate some simple descriptive measures. You calculate the average number of SALES using the function mean() and the minimum and maximum SALES using the functions min() and max().
Deze oefening maakt deel uit van de cursus
Building Response Models in R
Oefeninstructies
- Calculate the mean of
SALES. - Calculate the minimum and maximum of
SALES.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Mean SALES
# Minimum SALES
# Maximum SALES