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All Journal Jurnal EMT KITA Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Teknik Informatika (JUTIF) Jurnal Riset Fisika Indonesia
Sahroni, Muhammad
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Astronomy Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

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STOCK PRICE PREDICTION USING THE LONG SHORT-TERM MEMORY METHOD Sahroni, Muhammad; Firman Arif, Mochammad; Misdram, Muhammad
Jurnal Teknik Informatika (Jutif) Vol. 5 No. 6 (2024): JUTIF Volume 5, Number 6, Desember 2024
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2024.5.6.2615

Abstract

Stocks are a highly risky investment instrument if not handled correctly. Therefore, accurately predicting stock prices is crucial to supporting better investment decisions. Today, more young people in the current generation know the importance of investing in stocks. Hence, understanding prediction methods early on is essential to reduce potential losses for prospective investors. With accurate prediction methods, the results will be more reliable. The data used consists of daily stock prices of Bank Syariah Indonesia from May 2019 to May 2024, totaling 1,215 data points. The research method employs LSTM (Long Short-Term Memory), which includes data collection, preprocessing, LSTM model formation, and model evaluation. The LSTM model is implemented using the Python programming language, and model evaluation is conducted using the Mean Absolute Percentage Error (MAPE) and Root Mean Squared Error (RMSE) metrics. The results show that the LSTM model can provide accurate predictions with a MAPE error value of only 1.72% and an RMSE of 53.49. This research indicates that the LSTM method is effective in predicting stock prices with an accuracy level of 98.28% and can be one of the bases when starting stock investment.
PENGARUH KEPUTUSAN INVESTASI, KEPUTUSAN PENDANAAN, DAN KEBIJAKAN DIVIDEN TERHADAP NILAI PERUSAHAAN PERUSAHAAN SEKTOR PERTAMBANGAN LQ45 YANG TERDAFTAR DI BURSA EFEK INDONESIA Sahroni, Muhammad; Rahmiyati, Nekky
Jurnal Review Pendidikan dan Pengajaran Vol. 7 No. 3 (2024): Vol. 7 No. 3 (2024): Volume 7 No 3 Tahun 2024 (Special Issue)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrpp.v7i3.32030

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pengaruh keputusan investasi, keputusan pendanaan,dan kebijakan deviden terhadap nilai perusahaan. Penelitian ini dilakukan pada perusahaan sub sektor pertambangan dalam kategori LQ45 yang terdaftar di Bursa Efek Indonesia Periode 2020-2023. Jumlah sampel yang digunakan dalam penelitian ini sebanyak 10 perusahaan dengan metode purposive sampling. Teknik pengumpulan data yang menggunakan dokumentasi laporan tahunan perusahaan dan data yang terkumpul dianalisis dengan menggunakan analisis IBM SPSS Versi 25. Analisis yang digunakan dalam penelitian ini adalah analisis deskriptif, uji asumsi klasik, analisis regresi linier berganda, dan pengujian hipotesis menggunakan IBM SPSS Statistik Versi 25. Hasil penelitian menunjukkan bahwa secara parsial variabel keputusan investasi berpengaruh signifikan terhadap nilai perusahaan. Variabel keputusan pendanaan berpengaruh signifikan terhadap nilai perusahaan. Variabel kebijakan deviden tidak berpengaruh signifikan terhadap nilai perusahaan. Secara simultan berpengaruh signifikan terhadap nilai perusahaan.
Sintesis Teori A dan B sebagai Upaya Menjelaskan Inonsistensi Teori C dalam Proses Agitated Leaching Tailing Timah Sahroni, Muhammad; Indriawati, Anisa; Kurniawan, Widodo Budi
Jurnal Riset Fisika Indonesia Vol 3 No 2 (2023): Juni 2023
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v3i2.4125

Abstract

Inkonsistensi teori C merupakan anomali dimana teori C tidak berlaku dalam proses Agitated Leaching. Hal ini menuntut penjelasan sehingga banyak peneliti berspekulasi untuk menjelaskannya. Contohnya teori A yang kontra- intuitif dan teori B yang cenderung menentang teori A. Dalam penelitian ini telah dilakukan penyelidikan terhadap teori A dan B melalui pendekatan tidak-langsung dengan variabel terikat dari proses Agitated Leaching adalah Total Dissolved Solid (TDS), laju pengadukan sebagai variabel bebas dan variabel tetap adalah rasio solid-likuid (1:20 Gr/mL) dan lama pengadukan (10 menit). Proses pelaruran dilakukan pada keadaan STP dan membatasi proses hanya pada tahap pelarutan sampel menggunakan HNO3 5%. Sampel yang digunakan adalah pasir tailing timah. Hasil penelitian menunjukkan bahwa inkonsistensi terjadi pada laju pengadukan 1000 rpm. Teori A1 tidak dapat disimpulkan keberlakuannya dalam proses pelindian tailing timah. Teori A2 berlaku dalam proses pelindian tailing timah. Teori B berlaku dalam proses pelindian tailing timah.
Penerapan Metode Design Thinking pada Produk Tas Multifungsi 3 in 1 Universatile Sahroni, Muhammad; Nugraha, Rizki Agung; Ramadhan, Muhammad Daffa; Kusnanto, Danang
Jurnal EMT KITA Vol 10 No 3 (2026): JULY 2026
Publisher : Lembaga Otonom Lembaga Informasi dan Riset Indonesia (KITA INFO dan RISET) - Lembaga KITA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/emt.v10i3.6094

Abstract

UniVersatile is a multifunctional bag innovation developed in 2024 by a group of management students. Born from a campus entrepreneurship project, this product was created to address the needs of urban communities with high mobility who often face the inconvenience of carrying more than one bag in their daily activities. Beyond its functional aspects, UniVersatile also addresses environmental issues stemming from textile waste, as synthetic bags typically have a short lifespan and are difficult to decompose, contributing approximately 15% of domestic waste in Indonesia (KLHK, 2023). Through market research and direct consumer testing, UniVersatile has successfully designed a bag with smart pocket features, special compartments, and durable materials to support efficiency, cleanliness, and sustainability. This innovation not only addresses the practical needs of active users such as students, workers, and travellers, but also provides an environmentally friendly alternative to the fashion product consumption cycle.
Co-Authors Firman Arif, Mochammad Indriawati, Anisa KUSNANTO, DANANG Misdram, Muhammad Nekky Rahmiyati Nugraha, Rizki Agung Ramadhan, Muhammad Daffa Widodo Budi Kurniawan