pat_eclat: ECLAT itemsets

In daltoolbox: Leveraging Experiment Lines to Data Analytics

ECLAT itemsets

Description

Frequent itemsets using arules::eclat.

Usage

pat_eclat(
  supp = 0.5,
  minlen = 1,
  maxlen = 3,
  include = NULL,
  exclude = NULL,
  quality_filter = NULL,
  control = NULL
)

Arguments

supp	minimum support threshold
minlen	minimum itemset length
maxlen	maximum itemset length
include	optional vector of items allowed in the discovered itemsets
exclude	optional vector of items forbidden in the discovered itemsets
quality_filter	optional quality filter created with patutils()
control	list of control parameters

Value

returns a pat_eclat object

Examples

if (requireNamespace("arules", quietly = TRUE)) {
 data("AdultUCI", package = "arules")
 trans <- suppressWarnings(methods::as(as.data.frame(AdultUCI), "transactions"))
 utils <- patutils()
  pm <- pat_eclat(
    supp = 0.2,
    maxlen = 3,
    include = c("sex=Male", "income=small", "marital-status=Married-civ-spouse", "race=White"),
    exclude = c("income=small"),
    quality_filter = utils$quality_min(support = 0.4),
    control = list(verbose = FALSE)
  )
 pm <- fit(pm, trans)
 itemsets <- discover(pm, trans)
 eval <- evaluate(pm, itemsets)
 eval$metrics
}

daltoolbox documentation built on May 14, 2026, 9:06 a.m.