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Journal : Jurnal Informatika dan Rekayasa Perangkat Lunak

Optimalization of Grouping Models on Sales Transaction Data in the Josi.Id Store Using the K-Means Algorithm Dayanti, Resda; Kurniawan, Rudi; Suprapti, Tati
Jurnal Informatika dan Rekayasa Perangkat Lunak Vol. 6 No. 1 (2025): Volume 6 Number 1 March 2025
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jatika.v6i1.21

Abstract

This study aims to optimize the K-Means algorithm to improve the clustering model of fashion goods sales transaction data at the josi.id store over a period of seven months. One of the main challenges is the lack of understanding of the characteristics of sales transaction data at the josi.id store, as well as the difficulty in identifying products that cause spikes on big days. With the K-Means clustering method used to group data, the optimal K value, attributes that affect the Davies Bouldin index (DBI) value. The analysis of the results shows that the key attribute that affects the k value is the TYPE OF ITEM with K = 3 as the optimal value, has the lowest DBI value of 0.258 compared to other cluster configurations. With the characteristics of cluster 0 (429 items) showing dominant sales during the Eid season. Cluster 1 (343 items) shows high sales during the holiday period. Cluster 2 (309 items) has stable sales during weekdays. These results show good separation and uniformity of clusters in each cluster. The attribute of ITEM TYPE, based on the characteristics of each cluster is Bracket clothes products show the highest total sales of up to 7 million, supported by traffic (love feature) that is often viewed. Blouses have total sales of under 2 million, while dresses show great variation with total sales between 1 and more than 3 million. Skirts have a more diverse sales distribution, with transactions reaching 3 million. which includes categories such as Dresses, bracket clothes, Tops, and Skirts, plays an important role in grouping sales transaction data, especially for seasonal products such as during Eid.
Co-Authors A.A. Gede Agung Abdul Ghani, Raihan Abdussamad . Adawiyah , Rabiatul Adinda Maharani, Azahra Aditia Aditia Putra Pranjaya Aditya Nugroho Afifah, Izza Nur Agni, Vega Putra Dwi Agung Pranata AGUNG SEDAYU Agustin, Maulina Aisy, Rahadatul Alfirda Sofyan, Zahra Ali Ridho Barakbah Ali, Luthfi Gosan Alif Prayudha, Bimo Amaliah, Novi An-naziz Safaat, Wafik Andini, Selvi Andriani, Meri Andriyani, Wini Anggraeni, Anggi Annisa Desty Puspatriani Anwari, Saeful APRIANDY, KEVIN ILHAM Aprianto, Wili Aprisusanti, Rani Purnama Ariati Anomsari Aribah, Firyal Arip Budiman, Arip Arisa, Arisa Armanda, Dicky Arna Fariza Aruni , Fidhia Aruni, Fidhia Arya Rudi Nasution Aryanto, Vincent Didiek Wiet asep gunawan Asmarani, Sri Utami Awaludin, Ade Ayu Endang Purwati Ayulinda, Arianisah P. Azzahrah, Dynda Shafiyah Bahri, Saiful Belli Nasution Bima Sena Bayu Dewantara Bimastari Aviani, Tri Hasanah Chasanah, Amalia Nur Chulyatunni’mah D.A, Dyah Kuntorini Dadan Suhendar, Asep Dadet Pramadihanto Danar Dana, Raditya Darma Irawan, Bobi Darussalam, Luthvi Nurfauzi Dayanti, Resda Dermawan, Hibrizi Dzaky Dewiyana, Dewiyana Diana Aqmala Diana Puspitasari Dwi Budi Santoso Enik Sulistyowati Ernawati Ernawati Fahmi Wardhani, Masitha Fajar Ramadhan, Fajar Falih, Alfi Rizqi Falih Fanny Rifqi El Fuad, Fanny Rifqi Fauzan . Febrianur Ibnu Fitroh Sukono Putra Ferrina Ermalina Rumbik, Ferrina Ermalina Rumbik Fikri, Achmad Firmansyah, Tegar Fitriani Fitriani Fitriyani, Ida Gifthera Dwilestari Gilang Ramadhan Gusfiani, Vivi Haekal Susanto, Ahmad Hamida, Silfiana Nur Hamonangan, Ryan Harapan Harapan Hayati, Umi Heni Marliany Herdiana, Ruli Herwantono, Herwantono Hidayat, Asep Toyib Hidayat, Muhamad Taufiq Hidayat, Peri Huda, Achmad Thorikul I Made Tegeh Ichsan Ichsan Ida Farida Idris Winarno Ikhwan Fahruddin, Yusuf Ima Sukmawati, Ima Inawati, Windi Islamiatik, Fena Ayu Ismail Ismail iwan Syarif j.ezugwu, umezurike Jannah, Zahratul Jayawarsa, A.A. Ketut Junaidi Junaidi Kamil, Qatrunnada Kaslani Khairani Daulay, Nelly Khristina Yunita Komala, Wulan Kristianti, Veronica Ernita Kurniadi, Yudi Kurniawan, Efik Kusman Ibrahim Kusmiyaty, Agesty Kusuma, Fujianti Kusumawaty, Jajuk Lingga Wijaya, Harma Oktafia Lorentiana Wijayanti, Rima M Rusdi M. Azka Kesuma Wardana Maelani, Imelda Maimun Syukri, Maimun Makhfud Syawaludin Manzis, Zian Masru’ah, Iim Imas MJW, Endrian Mohamad, Fatma Susilawati Monica, Intan Mubarok, Khoirul Mudatsir Mudatsir Muhaimin, Ahmad Muhamad Chairul Basrun Umanailo MUHAMMAD FAHMI Muhammad Muhammad Muhsin Muhsin Muhyi, Adbdul Mujib, Miftachul Muktar, Muktar Mulyawan, Mulyawan Mustofa Bisri, Mu'ammar Muzaki, Fazri Narasati, Riri Narasati Naufan, Muhammad Hilmy Nining Rahaningsih NOVIANTI, ELIS Noviati, Elis Nur Amalia, Yustika Nur Hamidah, Nur Nurapandi, Adi Nurazijah, Wulan Nurbaiti, Seni Nurholipah, Titin Nurmalawati, Nurmalawati Nurmasyahyati Nurmasyahyati, Nurmasyahyati Nurul Huda Nurul Kamaly Oktavia, Vicky Pamungkas, Angling Sadewo Aji Perdana, Tito Aditya Pratama, Annisa Salsabilah Pratama, Vishal Indu Prikurnia, Anas Khair Purusa, Nanda Adhi Purwo Suwignyo Puspitasari, Yeni Putri ayu, Putri Ayu Dara Sekarwangi Putri, Widia Rachmawati, Oktavia Citra Resmi Rafila, Amal Julio Rafles Ginting Rahmad Nuthihar Rahmadiawan, Dieter Rahman Sahputra, Rizky Rahman, Sakilah Rai Fatkaozi, Ahmad Ramadhan, Teddy Muhammad Rano Raudotul Janah, Fina Ria Kurniawati Rifaai Alldi Ananda, Muhamad Riyana, Iis Rizki Ani, Fitri Rizki Fauzi, Ahmad Rizki Lesmana, Ghali Rizki, Fido Rizqi, A Faisal Maulana Rocky Putra A Rusdiyanto Sabilla, Raissa Sabri Saeful Anwar, Saeful Safitri, Maria Safrida Safrida Safrida Safrida, Nila Salma Munada, Mutiara Samsul Anwar Samsuryadi Samsuryadi Sandova, Firdaus Sanjaya, Handika Sari Rusmita Sasabone, Luana Septian Nugraha, Titan Sesulihatien, Wahjoe Tjatur Setiani, Tia Setiawardhana, Setiawardhana Shalihah, Ghina Sholeha, Mia Sintaningrum, Picantia Bunga Situmeang, Alona Sofyan, Sarwo E. Sofyan, Verra Rosyalia Widia Sugiyono . Suhita Whini Setyahuni Sunardi, Lukman Supratati, Tati Suprihartini, Yayuk Suryawijaya, Tito Wira Eka Susana, Heliyanti Susanti, Puspasari Syach Putra, Yanuar Syafruddin, Muhammad Andri Taryana Taryana, Taryana Tati Suprapti Taufik Hidayat Tedjo Darmanto Tedjo Darmanto Tessy Badriyah, Tessy Tri Harsono Triswanto, Triswanto Vitriyan Espa Wabula, Abdul Latif Wahyudi Wahyudi Wahyunisari, Nina Waqar Mazhar, Muhammad Widianto, Fuad Hassan Widiawati, Fitri Wijaya, Yudhistira Wijaya, Yudhitira Arie Winayah, Winayah Yudhistira Arie Wijaya yulani, Yulani - Yulia, Yuli Yusnawati, Yusnawati Yusuf Sidiq, Yusuf Sidiq Zahara, Ana Zahrul Fuadi Zulius, Antoni