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Sri Redjeki
Prodi Farmasi, Poltekkes Bandung
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Journal Innovations Computer Science

 1 
Clustering and Classification of Retail Sales Data: A Big Data and Data Mining Analysis Almagribi, Ahmad Bilal; Redjeki, Sri
Journal Innovations Computer Science Vol. 4 No. 2 (2025): November
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jics.v4i2.303

Abstract

In the evolving retail landscape, data-driven decision-making has become essential for understanding customer behavior and predicting sales trends. This study integrates clustering and classification techniques to analyze retail sales data comprising 1,000 transactions obtained from Kaggle. Using the K-Means algorithm, three optimal customer clusters were identified through the Elbow Method, achieving an average within-centroid distance of 25,272.635 and a Davies–Bouldin Index of 0.443, indicating clear cluster separation. The subsequent classification phase compared the predictive performance of three algorithms—Naïve Bayes, Decision Tree, and Random Forest—on 70:30 training-to-testing data partitions. The Naïve Bayes algorithm attained 94.67% accuracy, while both Decision Tree and Random Forest achieved perfect classification accuracy of 100%. These findings highlight the robustness and adaptability of tree-based models for complex retail datasets, outperforming probabilistic methods in terms of accuracy and generalization. The results suggest that the integration of clustering and classification provides retailers with a powerful analytical framework for identifying high-value customer segments, optimizing marketing strategies, and enhancing inventory management. Despite achieving strong outcomes, the study acknowledges dataset limitations and recommends future research involving larger and more diverse datasets, as well as additional features, to expand model scalability and predictive precision.
Co-Authors ., Iriani Abd. Rasyid Syamsuri Abdul Ghofar Achmad Edi Subiyanto Achmad Munandar Achyani Achyani, Achyani Adanisa, Difa Ade Hari Siswanto Adi Rahmat Afandi, Yusuf Agus Indarjo Agus, Elsa Lusia Ahdiansyah, M Hafidz Alburhana, Lathifatusy Syifa Ali Djunaedi Almagribi, Ahmad Bilal Ambariyanto , Anam, Aufa Anandita, Assifa Yusan Angga Dewi, Widya Novi Anggara, Muhammad Alyfansyah Rizky Anggaraeni, Chaterine Oktavia Anggraheny -, Anggraheny Anna Fitri Hindriana Anna Triningsih, Anna Ari Widodo Ariesta Artamevia, Nazwa Aris Ismanto Azizah T.N., Ria Badik, Muhammad Bagus Eko Hardiono Baidhowie, Lutfil Hakim Bambang Yulianto Banun Sri Haksasi Baskoro Rochaddi Bayong Tjasyono Bustomi Cahyono, Arie Eko Chrisna Adhi Suryono Delianis Pringgenies Desyandri Desyandri Devi Nandita Choesin, Devi Nandita Dewi Novitasari Diah Permata Wijayanti Dodon Turianto Nugrahadi Duduh Abdul Bara Dwi Jatmiko, Dwi Edi Wibowo Edi Wibowo Kushartono Edy Supriyadi Elfi Rimayati Endang Sri Susilo Endang Supriyantini Eny Inayati, Eny Erliyanti, Nove Kartika Fajar, Surya FIRDAUSI, Ifrohatul Dini Fitria Olivia franisa, anggi Fuad Ashari Gerhani, Febrina Gita, Irma Hadi Endrawati Haksan Darwangsa Handayani, Dwi Asih Kumala Hapsara, Hudanu Hariadi Hariadi Harry Firman Hartadi, I Gede Haryono, Yoyo Haula Robbi, M. Kautsar Hutagaol, Inggrid Debora I Nyoman P Aryantha Ika Ayuningtyas Indarwati, YM Iqbal Maulana Iriawati Iriawati Irwani Irwani Ismawati Ismawati Ita Riniatsih Jihadi, Muhammad Shulhan Jusup Suprijanto K. Susilo, David Käll, Sofia Khaerul Umam, Khaerul Khasanah Khasanah Khonsa Rezkania, Gita khusnul khotimah Krisiyanto, Krisiyanto Kunarso Kunarso Kusdarjanti, Endang Kusumadiani, Tazkia Aulia Laksmi Lita Rosa, Mia Lelono, Satrio Kusumo Lies Mardiyana, Lies Lilik Maslukah Luky Adrianto Luluk Edahwati Maharani, Galung Dhiva Marini . Marselino, Frendy Mayunar Milasari, Listiana Dewi Mimin Nurjhani K Mr Kusnadi Mrs Sariwulan Diana Muchamad Fajar Alamsyah Muh Yusuf Muhajirin, Al Muhammad Reza Faisal, Muhammad Reza Muhammad Zainuri Mujayatun, Siti Musthofa, Danis Nurul Mustofa, Diah Ayu Mutiara Nurul Fajar Utami Mutiari Nurul Syam Utami Naufal, Nabil Neviyani Neviyani, Neviyani Ningrum, Marsella Ivon Citra Novi, Widya Nugroho, Aditya Dwi Nur Halimah, Anisa Nur Taurif Syamsudin Putra Jaya Nurasyah Dewi Napitupulu Nuryani Rustaman Nusaputro, Kurnia Adi Panatar, Jakfar Shodiq Philipus Uli Basa Hutabarat Pradana, Henrian Rizki Prameswari, Devi Diyah Ayu Praressha Wizurai Prasetiyorini, Pudhak Pratama, Candrika Prayoga Nugraha Taunay Prihandoko, Tri Leksono Pudhak Prasetiyorini Purba, Sariaman Purwati K. Suprapto Putri Novianingrum, Milka putri, Ferninda Rahardiyana Raden Ario Radityo Adi Nugroho Rahayu, Fenny Winda Rakhmawan, Aditya Ramadhani, Aulia Dessy Rasid, Harun Al Raudina, Anggit Sapta Retno Hartati Retno, Yosy Ria Azizah Tri Nuraini Ria, Intan Ade Riandi Riandi Ristanti, Rahmadita Aulya Rizkina, Nurnazmilaila rojanah, rojanah rojanah Rudhi Pribadi S Tapilouw, Fransisca. Sagara, Bangkit Putra sanjaya, deki dwi Santi, Shinta Soraya Santi, Sintha Soraya Satori, Djam'an Satriani, Bayu SD Sumbogo Murti Setiyadi, Agus Setyowati, Okti Sheila Puspa Arrum, Sheila Puspa Sianiwati Goenharto Sihite, Mombang Siti Kotijah Siti Munawaroh Sri Mulyani Sri Redjeki Sri Sayekti Sri Turni Hartati Sri Wahjuni Sujati Sujayanty, Sri Sunarto, Sandy Ryan Hendrawanto Sunaryo Sunaryo Tania, Sara TATI NURHAYATI Taufiq-Spj, Nur Tony Hadibarata, Tony Tri Mulyati, Tri Trianna, Nurul Widji Ubay, Jufri Ucu Rahayu Wafi, Azmi Sabilakisbatul Wahyu, Rindika Widhorini, Widhorini Widi Purwianingsih Wilis Ari Setyati Wishnuputri, Parameswari Iccha Nirmalabuddhi Yagus Cahyadi Yenny Anwar Yudhatama, Bayu Khrisna Yunika Ayu Setya W Ayu Setya W. Yunita Yunita Yustin Ragil Dewanti Yusuf Hilmi Adisendjaja Zihni Ihkamuddin