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All Journal Medali Jurnal : Media Dental Intelektual Journal of Information System
Amalia, Khofifah
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Computer Science & IT Dentistry Health Professions Public Health

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Perbandingan Hasil Analisis Clustering Metode K-Means, DBSCAN Dan Hierarchical Pada Data Marketplace Electronic Phone Sufairoh, Ifatus; Rani, Aulia Cahya; Amalia, Khofifah; Rolliawati, Dwi
JOINS (Journal of Information System) Vol. 8 No. 1 (2023): Edisi Mei 2023
Publisher : Fakultas Ilmu Komputer, Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/joins.v8i1.8016

Abstract

Persaingan yang ketat terjadi di bidang penjualan, salah satunya pada electronic marketplace (e-marketplace). Pada setiap e-marketplace tentu memiliki data penjualan sehari-hari yang semakin lama, data akan bertambah. Bukan hanya digunakan untuk dokumen perusahaan, tetapi juga bisa digunakan serta dikelola sehingga menghasilkan suatu informasi yang bermanfaat dalam meningkatkan promosi dan penjualan produk jika diolah dengan baik. Tujuan dari penelitian ini untuk mengolah data e-marketplace dengan cara clustering dan membandingkan hasil yang diperoleh dari setiap model clustering yang dipakai. Model clustering tersebut adalah K-Means, DBSCAN, dan Hierarchical. Hasil yang didapatkan yaitu dari ketiga metode clustering yang digunakan didapat model terbaik yaitu Hierarchical dengan jumlah cluster 2 dari silhouette sebesar 0.944473.  Dari hasil tersebut dapat diketahui pengelompokan penjualan handphone dengan merk terbanyak dan hasil clustering dapat menjadi perbandingan metode yang paling optimal. 
The Effect Of Halal Labeling On The Decision To Purchase Toothpaste Products For Unissula Students Amalia, Khofifah; Amurwaningsih, Musri; Sunnah, Tahta Danifatis
Jurnal Medali Vol 6, No 2 (2024): Media Dental Intelektual September 2024
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/medali.6.2.113-123

Abstract

Background: Toothpaste is a dental and oral hygiene ingredient that is used every day by the community. The era of modernization has caused toothpaste products to be sold freely in the market. The halal labeling is useful for knowing that toothpaste is halal and safe in accordance with Islamic law. The purpose of this study was to determine the effect of halal labeling on purchasing decisions for toothpaste products for UNISSULA students.Method: This research is a non-experimental observational analytic study with a quantitative approach. The research subjects were taken using a cluster sampling technique based on the faculties in UNISSULA. The data were analyzed using Spearman correlation analysis and descriptive analysis.Result: The results of the Spearman correlation test showed a significant difference with p = 0.00 (p <0.05) with a strong correlation strength of 0.616 and a positive correlation direction.Conclusion: Halal labeling influences the decision to buy toothpaste for UNISSULA students with high levels of perception of halal labeling and high and medium halal labeled toothpaste purchasing decisions.
Co-Authors Musri Amurwaningsih Rani, Aulia Cahya Rolliawati, Dwi Sufairoh, Ifatus Sunnah, Tahta Danifatis