Judul: Analisis Faktor-Faktor yang Mempengaruhi Perilaku Konsumen dalamKeputusan Pembelian Susu Cair Ultra Milk (Studi Kasus Mahasiswa S1 Institut Pertanian Bogor)
Abstrak: Indonesian people’s growing awareness of the impotance of liquid milk as a product for maintaining health, brings about an opportunity of marketing a product of liquid milk. A liquid milk industry is in fact dominated by popular players, among other things, Ultra Milk. Therefore, to maintain its market, Ultra Milk is supposed to know the factors influencing the making of the desicion of buying liquid milk. The consumers who have become a research target is a student of bachelor degree of Bogor Institute of Agriculture who has bought some liquid milk of Ultra Milk. This research is intended to as follows : (1) to identify the characteristic of the costumers of Ultra Milk, (2) to identify a process of deciding to buy Ultra Milk, (3) to analyze the factors influencing the customers’ decision to buy Ultra Milk, (4) to analyze customers attitude towards the attributes owned by Ultra Milk. The data used in this research are primary and secondary. The primary data are taken from the spreading of questionaires and the secondary data are taken from a library study, information on the internet, and a study of references. Secondary data are taken frombook’s study, internet and literature’s study.The technique to take samples used in this research is a quota sampling. The means of analyzing are the descriptive analysis, the factor analysis and a model of MultiattributeFishbein analysis with the help of SPSS software version 17 and Microsoft Excel. The results of the research show that the majority of the customers of Ultra Milk’s liquid milk are the female university students (62%), aged 21 years old (46%), their origins of Jakarta, Bogor, Tangerang and Bekasi (41%). Their average monthly expenses are from 500,001 rupiahs to 1,000,000 rupiahs ( 67%). The process to decide on buying the customers of Ultra Milk’s liquid milk goes through 5 phases namely, recognizing the need, searching for the information, evaluating the alternatives, buying and evaluating the. Referring to the factor analysis, there are 3 factors which are seen, among other things, the factors of individual characteristic, the knowledge of a product and a personality, and the source of information. Referring to the analysis of multiattributeFishbein, the customers put emphasis on the halal of a product, the quality of product and the security of a consuming process while buying liquid milk. The customers see Ultra Milk’s liquid milk from the quality of a product, the halal of a product and the security of a consuming process. Referring to the Fishbein score of 258.68, it is concluded that the product of Ultra Milk’s liquid milk is considered as a good category.
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Judul: Consumer Patterns and Perceptions of Purchase Decisions and Consumer Loyalty in Milk Products in Jabodetabek
Abstrak: Produk minuman susu sudah banyak beredar di masyarakat dengan berbagai variasi, sehingga perlu memahami konsumen serta faktor yang mempengaruhi minat konsumen dalam melakukan pembelian, melalui atribut produknya. Penelitian ini bertujuan mengetahui pola konsumsi, persepsi konsumen dan loyalitas konsumen masyarakat terhadap produk minuman susu di wilayah Jabodetabek. Penelitian dilakukan dengan survei online yang terdiri dari tahapan yaitu studi literatur, penentuan metode pengambilan data, penentuan responden, penyusunan kuesioner, pengujian kuesioner, pengumpulan data, pengolahan data, dan pelaporan. Analisis data dilakukan dengan uji deskriptif, crosstab, Chi-square, dan uji Net Promoter Score dengan menggunakan software Microsoft Excel dan SPSS 25. Responden memiliki pola konsumsi tertinggi dengan frekuensi konsumsi sebanyak 1-2 kali seminggu pada jenis susu UHT berkemasan tetra pak pada brand Ultramilk. Pertimbangan keputusan pembelian dilihat dari faktor rasa, sertifikasi, dan kandungan gizi dengan memperhatikan kandungan protein, mineral, gula, vitamin, dan lemak. Beberapa dari profil responden seperti domisili, usia, jenis kelamin, pendidikan, pekerjaan, pendapat, dan pengeluaran memiliki hubungan yang signifikan terhadap beberapa atribut pola dan persepsi konsumen. Terdapat 5 dari 16 brand yang memiliki konsumen puas dan loyal karena memiliki Net Promoter Score yang bernilai positif., Milk products have circulated a lot in public with various variations, so it is necessary to understand consumers and the factors that influence consumer interest in making purchases, through product attributes. This study aims to determine consumption patterns, consumer perceptions and consumer loyalty to milk products in the Jabodetabek. The research was conducted using an online survey consisting of stages: literature study, determining data collection methods, determining respondents, preparing questionnaires, testing questionnaires, data collection, data processing, and reporting. Data analysis was carried out by descriptive, crosstab, Chi-square, and Net Promoter Score tests using Microsoft Excel and SPSS 25 software. Respondents had the highest consumption pattern with a consumption frequency of 1-2 times a week on UHT milk in tetra pak packaging for Ultramilk brands. Consideration of purchasing decisions is seen from the taste, certification, and nutritional content by paying attention to the content of protein, minerals, sugar, vitamins, and fat. Some of the respondents profiles such as domicile, age, gender, education, occupation, income, and expenditure have a significant relationship to some attributes of consumer patterns and perceptions. There are 5 out of 16 brands that have satisfied and loyal consumers because they have a positive Net Promoter Score.
Keyword: Consumer, Loyalty, Milk, Pattern, Perspective

Judul: Penyusunan Overlap Graph menggunakan Suffix Tree pada DNA Sequence
Abstrak: The DNA sequence assembly is very important in genome analysis. This step aims to reconstruct contigous DNA fragment (contigs) from short fragment by concatenating fragments based on the overlap region among them. This method employs overlap graph for solving the problems. In this graph, nodes represent fragments and edges represent overlap. This research developed a software for constructing overlap graph using suffix tree. The evaluation was conducted by measuring the number of nodes, number of edges, and the execution time in many values of minimum overlap. The minimum overlap is defined as the minimum length of substring which is considered as the overlap region between two fragments. The evaluation results showed that the number of nodes, the number of edges, and the execution time were increased with the decreasing of the minimum overlap value.
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