Apriori to Analyze Sales Patterns of Building Tools and Materials

The accumulation of transaction data on the sale building tools and materials, which is increasing day by day, should be used as information that can support sales in stores. Consumer purchasing patterns are main source processing. In this study, it necessary to have a system process based trends appear simultaneously one transaction. 1000 from December 2020 May 2021 calculating minimum value confidence benchmark apriori algorithm process, results obtained form output an association rule will store. Input application after obtain item set combination. After these support. processed again with then being final rules If 0.1 (10%) 0.5 (50%), 122 obtained, 100th order, "If customer buys VSB Board, also Jumbo Furing 23, 3% 82.9%”. Association result evaluate, carry out strategies, alternative decisions stocking goods determine placement close together.