Order Batching in Warehouses by Minimizing Total Tardiness: A Hybrid Approach of Weighted Association Rule Mining and Genetic Algorithms

Algorithm 1

MINWAL algorithm [42].

(1) Main Algorithm (wminsup, mincon 𝑓, 𝐷, 𝑤)

(2)  size = Search (𝐷)

(3)  𝐿=0;

(4)    for (𝑖=1; 𝑖≤ size; 𝑖++)

(5)𝐶_𝑖=𝐿_𝑖=0;

(6)    for each transaction do

(7)     (SC, 𝐶₁, size) = Counting (𝐷, 𝑤);

(8)𝑘=1;

(9)    while (|𝐶𝑘| ≥𝑘)

(10)   𝑘++;

(11)𝐶_𝑘= Join (𝐶_𝑘−1);

(12)𝐶_𝑘= Prune (𝐶_𝑘);

(13)(𝐶_𝑘, 𝐿_𝑘) = Checking (𝐶_𝑘, 𝐷);

(14)𝐿=𝐿∪𝐿_𝑘;

(15) Rules (SC, 𝐿);

(16) ends;