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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Limits: Journal of Mathematics and Its Applications
Khairul Alim
Universitas Jambi
Computer Science & IT Mathematics Other

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Pembentukkan Portofolio Optimal pada Saham JII dengan Indeks Sharpe, Treynor, dan Jensen pada Periode 2018-2023 Khairul Alim; Anisa Rahmawati; Bayun Matsaany
Jurnal Matematika, Statistika dan Komputasi Vol. 19 No. 3 (2023): MAY, 2023
Publisher : Department of Mathematics, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/j.v19i3.26354

Abstract

Investment is an activity carried out by investors by placing their funds in an asset. The purpose of investment is to gain long-term profits in the future. These profits come from changes in the price of assets in the future, which refers to the increase in the value of an asset over time. Currently, there are several types of investments. However, the type of investment that is quite widely practiced by Indonesian society is stock investment. The Indonesia Stock Exchange (IDX) groups the stocks available in the stock market into several indexes. One index that is currently receiving attention from Indonesian society is the Jakarta Islamic Index (JII). The JII is a collection of shares from companies that adhere to sharia principles in their business operations. Investment activities must be carried out carefully by conducting analysis beforehand so that investors do not make mistakes in choosing the stocks to be purchased. Several popular methods for selecting stocks are the Sharpe, Treynor, and Jensen indexes. These three indexes can be used to select the best stocks based on their respective criteria. This study combine these three indexes to prioritize the formation of a portfolio. The data used in this study is the closing value of stock prices in the JII index from March 2018 to February 2023. The optimization resulted in a composition of 69.17% for MDKA shares, 26.55% for HRUM shares, and 4.28% for BRIS shares of the total portfolio composition.
Pelatihan Pembuatan Lilin Aromaterapi Kulit Kopi Berbasis Minyak Jelantah Di Desa Mukai Pintu Kabupaten Kerinci Edwin Permana; Nelson Nelson; Martina Asti Rahayu; Daniel Arsa; Khairul Alim; Dhian Eka Wijaya; Ali Nurdin Hidayat; Ardian Salsa Rusmana
Jurnal Pengabdian Masyarakat dan Inovasi Vol 3 No 2 (2023)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang Jl. Rangga Sentap, Dalong Sukaharja, Ketapang 78813. Telp. (0534) 3030686 Kalimantan Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jurnalpengabdianmasyarakatdaninovasi.v3i2.1111

Abstract

The abundance of waste cooking oil resulting from the cooking process has not yet been optimized for use. Apart from that, coffee is also produced in Mukai Pintu village, Kerinci Regency. The skin of these coffee beans is just waste that is thrown away. These two ingredients can be used to make aromatherapy candles which are useful for the community. In this way, the problem of waste coffee bean shells and used cooking oil can be overcome and become added value. Making aromatherapy candles from used cooking oil can be made easily by PKK women and the Mukai Pintu Kerinci village community. Coffee skin therapy aroma candles can support the economy of the community and village. Apart from that, this aromatherapy candle product made from coffee bean shells can be one of the superior products of the village and can be a souvenir from Kerinci Regency. The target for implementing this community service program is that partners are able to: 1) The community can apply and make aromatherapy candles from coffee bean shells. 2) can help the community improve the economy and can become a superior product for the village. 3) People can sell these products using digital marketing
Pembentukkan Tabel Morbiditas Penyakit Kronis Berdasarkan Angka Prevalensi Khairul Alim; Gusmi Kholijah; Meinarisa Meinarisa
Limits: Journal of Mathematics and Its Applications Vol. 22 No. 1 (2025): Limits: Journal of Mathematics and Its Applications Volume 22 Nomor 1 Edisi Ma
Publisher : Pusat Publikasi Ilmiah LPPM Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/limits.v22i1.3377

Abstract

A morbidity table is an important mathematical tool in health sciences and actuarial studies, providing an overview of disease rates in a population at a given time. This table offers information on the number of disease cases by age group, type of disease, or geographical region. The values from morbidity tables are used to compare disease rates between populations, evaluate the effectiveness of health programs, and predict future healthcare service needs. In the world of health insurance, morbidity tables play a crucial role in premium pricing calculations. By using specific morbidity tables, insurance providers can set premium prices that align with the conditions of the population being covered, preventing company losses due to premiums being set too low, while also ensuring that people do not feel burdened by excessively high premiums. Despite their importance, creating morbidity tables requires extensive research and large amounts of data. In Indonesia, accurately constructing morbidity tables is challenging due to its vast geographical diversity. Therefore, this study will use the prevalence rate of chronic diseases as an alternative. Prevalence rate is a statistical measure that describes the proportion of individuals in a population suffering from a specific disease at a given time. This approach simplifies data collection, especially since the government regularly releases prevalence data for certain diseases.
Co-Authors Ali Nurdin Hidayat Anisa Rahmawati Ardian Salsa Rusmana Arsa, Daniel Bayun Matsaany Dhian Eka Wijaya Edwin Permana Gusmi Kholijah Martina Asti Rahayu Meinarisa, Meinarisa Nelson Nelson