Playing with the appearance
In this exercise, you will be playing with the appearance
argument of the apriori
function. As its name suggests, this arguments of the function controls, on the one hand, the items that are part of the frequent itemsets and, on the other hand, the appearance of the set of extracted rules. It is often the case that you are looking for specific itemsets or specific rules within the set of all extracted rules.
Cet exercice fait partie du cours
Market Basket Analysis in R
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Support of herb markers
supp_herb_markers =
apriori(Online_trx,
parameter = list(
___ = "___",
supp = 0.01),
appearance = list(
___ = c("___",
"___"))
)
# Inspect frequent itemsets
inspect(___)