Judul: Segmentasi pelanggan ritel perusahaan alat berat berdasarkan catatan transaksi dengan pembobotan komponen utama
Abstrak: Customer segmentation is allocation of customers into segments according to characteristics similarity to optimize the implementation of customer relationship management. The characteristics of retail customer could be identified based on their transaction record. Principal component analysis is used to summarize the characteristics of PT United Tractors Tbk. spare part retail customer from transaction record in 2012. Variables in the transaction analysis and segmentation are transaction frequency ( ), count of transaction months ( ), count of product ( ), count of product type ( ), and total transaction amount ( ). The weight of those variables are determined by principal component analysis. The weight of each variable obtained is 0.41 for , 0.78 for , 0.61 for , 0.28 for , dan 0.72 for . Transaction score of each customer is calculated by combining the standardized transaction variables. Ideal segmetation is conducted by k-means algorithm. The ideal number of segment is 4. The mean of transaction score for segmen 1 to 4 are 9.09, 3.34, -1.39, and 0.27. Customers are devided into 4 segments by percentage 2.79%, 12.09%, 54.88%, and 30.23% for segment 1 to 4.
Keyword: Bogor Agricultural University, retail customer segmentation., principal component analysis, customer relationship management, cluster analysis

Judul: Analisis Segmentasi Pelanggan Eceran Pt United Tractors Tbk. Dengan Pendekatan Analisis Gerombol
Abstrak: Segmentasi pelanggan merupakan kegiatan membagi pelanggan ke dalam segmen-segmen dengan ciri dari tiap segmen memiliki karakter yang relatif homogen, sehingga dapat dij adikan sebagai salah satu alat yang digunakan untuk menentukan strategi pemasaran yang efisien berdasarkan basil segmentasinya. Segmentasi dilakukan dengan menggunakan metode k-means dan peubah yang menj adi dasar segmentasi yaitu nominal transaksi yang dibayarkan oleh 844 pelanggan eceran untuk pembelian 22 komoditas suku cadang. B anyaknya segmen (k) ideal yang terbentuk yaitu 5 segmen berdasarkan perubahan indeks Hartigan terbesar yaitu sebesar 1 8. 9 5. Dari 5 segmen yang diperoleh, terdapat segmen yang diprioritaskan dan tidak diprioritaskan dalam melalukan pemasaran produk. Segmen 2 dan Segmen 4 merupakan segmen yang dapat diprioritaskan dengan cirinya adalah nilai rataan nominal transaksi yang dibayarkan oleh tiap pelanggan eceran pada Segmen 2 dan Segmen 4 lebih besar dibandingkan nilai rataan nominal transaksi yang dibayarkan oleh tiap pelanggan terhadap total pelanggan eceran selama tahun 20 1 3 sampai 20 1 5. S elain itu, persentase kontribusi terhadap penerimaan UT lebih besar dibandingkan rata-rata persentase kontribusi tiap segmen yaitu sebesar 4 5. 24% oleh Segmen 2 dan 2 9. 7 1 % oleh Segmen 4. Dengan demikian, Segmen 2 dapat menj adi prioritas utama UT dalam melakukan pemasaran produknya.
Keyword: indeks Hartigan, metode k-means, segmentasi pelanggan.

Judul: Acute Oral Toxicity Lethal
Dose 50 (LD50) of Cayenne Pepper (Capsicum annuum) Infusion in DDY Strain
Mice (Mus musculus)
Abstrak: In recent years, there has been a growing interest in herbal remedies such as cayenne pepper which is known for its versatility beyond its culinary use. Cayenne pepper’s phytochemicals, including capsaicinoids, carotenoids, phenolic compounds, vitamins, and minerals, offer antioxidant, antimicrobial, and antiinflammatory properties, making it a valuable ingredient in various fields such as veterinary medicine, agro-food, cosmetics, and pharmaceuticals. However, concerns regarding the potential risks of cayenne pepper consumption as herbal medicine arise. This study aims to determine the acute oral toxicity lethal dose 50 (LD50) of cayenne pepper infusion in female DDY strain mice and its effects on the mice's organs. The research involved 20 DDY strain female mice divided into 4 groups which are control group (administered with distilled water) and treatment groups that are given cayenne pepper infusion at doses of 5, 10, and 15 g/kg BW orally. The observed variables included mortality, clinical symptoms, physiological responses, and organ weight. Acute toxicity testing indicated that the cayenne pepper infusion falls into the category of practically non toxic formulations. Administration of the cayenne pepper infusion up to a dose of 15 g/kg BW did not induce toxicity symptoms, such as clinically pathological symptoms, macro anatomical organ changes, or mortality nor affect both weight gain and loss.
Keyword: cayenne pepper, infusion, acute oral toxicity, DDY strain mice, herbal medicine