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All Journal Jurnal Peternakan (Jurnal of Animal Science) Jurnal Teknik Industri Terintegrasi (JUTIN) International Journal of Applied Finance and Business Studies Indonesian Research Journal on Education CARE: Jurnal Pengabdian Multi Disiplin Indo Green Journal Dedikasi: Jurnal Pengabdian Pendidikan dan Teknologi Masyarakat Journal of Digital Community Services Dedikasi: Jurnal Pengabdian Pendidikan dan Teknologi Masyarakat Indo Green Journal JES-TM Social and Community Service
Jati, Putri Zulia
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Journal : Jurnal Teknik Industri Terintegrasi (JUTIN)

 1 
Comparison Random Forest Regression and Linear Regression For Forecasting BBCA Stock Price Priyatno, Arif Mudi; Tanjung, Lailatul Syifa; Ramadhan, Wahyu Febri; Cholidhazia, Putri; Jati, Putri Zulia; Firmananda, Fahmi Iqbal
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 6 No. 3 (2023): July 2023
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v6i3.16933

Abstract

Stock trading is a popular financial instrument worldwide. In Indonesia, the stock market is known as the Indonesia Stock Exchange (BEI), and one actively traded stock is PT Bank Central Asia (BBCA). However, predicting stock price movements is challenging due to various influencing factors. Investors use fundamental and technical analyses for decision-making, but results often vary. Machine learning, particularly random forest regression and linear regression algorithms, can be used for stock price forecasting. In this paper, we compares these two machine learning methods to forecast BBCA stock prices, aiming to provide more accurate and effective solutions for investor's investment and trading decisions. The evaluation results of cross-validation mean squared error (MSE), root mean squared error (RMSE), mean absolute error (MAE), and mean absolute percentage error (MAPE) for linear regression were 0.12848, 0.35807, 0.29570, and 0.0036%, respectively, while for random forest regression were 27473.76, 158.04, 142.70, and 1.7153%. These findings indicate that linear regression outperforms in forecasting performance.
Profil Pasar Daging Ayam Potong di Pasar Gunung Tua Padang Lawas Utara Kartika, Aulia Arum Chandra; Sari, Ricca; Rianita, Resti; Jati, Putri Zulia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 6 No. 3 (2023): July 2023
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v6i3.17087

Abstract

This study aims to determine the shape of the broiler market in the Gunung Tua market, North Padang Lawas Utara, Province Sumatra Utara. The objects observed in this study were the broiler traders and the transactions that occurred in the Gunung Tua market. This study used a survey method with census techniques and direct observation. Where the results showed that 97% consisted of retailers and 3% of wholesalers/agents. The average education is high school with a range of 50%. The average Marker Share of wholesalers to wholesalers is 13.33-32.87%. The market for broiler chicken in the Gunung Tua market, North Padang Lawas Utara Sumatra Utara is in the form of an oligopoly. From the results of this study it can be concluded that the form of the market for broiler chicken in the Gunung Tau market, North Padang Lawas Utara, Sumatra Utara is oligopoly.
Effect of Probiotic Fermented Cabbage Waste on Broiler Chicken Performance to Increase Production Ikhwana, Abdi; Elfawati, Elfawati; Saleh, Eniza; Jati, Putri Zulia; Zaki, M
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 1 (2024): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i1.25983

Abstract

Cabbage waste fermented liquid (Brassica oleracea) is a type of fermented liquid that contains lots of vitamins and other important nutrients that are beneficial for broilers. This study aims to determine the effect of adding fermented cabbage waste to the percentage of weight and length of the digestive organs of broilers including the weight of the proventriculus and ventriculus. This research was carried out from March to May 2021 at the Laboratory of UIN Agriculture Research and Development Station (UARDS) Faculty of Agriculture and Animal Husbandry, Sultan Syarif Kasim State Islamic University, Riau. The research material used 80 DOC broilers (CP 707). The research method was an experiment using a completely randomized design (CRD) with 4 treatments and 5 replications. The treatments consisted of P0 (control drinking water), P1 (2 ml of fermented cabbage waste/liter of drinking water), P2 (3 ml of fermented cabbage waste/liter of drinking water), and P3 (4 ml of fermented cabbage waste/liter of water). drinking water). The parameters measured were the percentage of weight of the proventriculus and ventriculus. The results of the analysis of variance showed that the administration of fermented cabbage waste in drinking water to broilers did not have a significant effect (P>0.05) on the percentage of weight and length of the digestive organs of broilers. The conclusion of this study is that the administration of fermented cabbage waste liquid to a level of 4 ml/liter of drinking water in broilers has not been able to increase the weight and length of the digestive organs of broilers
Pemanfaatan Limbah Sayur Fermentasi sebagai Alternatif Pakan Ternak di Tinjau Melalui Tekstur dan pH Pakan Jati, Putri Zulia; Zaki, M
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 6 No. 4 (2023): Oktober
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v6i4.26522

Abstract

This research aims to determine the physical quality, texture and pH of vegetable waste fermented with EM4 liquid at different levels. The method used in this research was a Completely Randomized Design (CRD) consisting of 4 treatments and 4 replications, namely P0: Vegetable waste + 0% EM4, P1: Vegetable waste + 5% EM4, P2: Vegetable waste + 7% EM4, P3: Vegetable waste + 10% EM4. The variables measured include color, pH, aroma, and texture. The results of this research showed that the addition of EM4 liquid as a starter had a very significant difference (P<0.01) on the physical quality of color, aroma, texture, but had no effect (P>0.05) on the pH of the silage. The treatment that provides the best physical quality is the addition of P3: Vegetable waste + 10% EM4 assessed by color with an average value of 4.54 (yellowish green), pH with an average value of 5.53 (acid), average value of aroma 3.61 (typical acid). silage), as well as an average texture value of 2.64 (slightly soft).
Co-Authors Adlan, Zulhapi Utama Agustina, Syintia Dwi Agustina, Syintia Dwi Agustina Andreawan, Febi Arif Mudi Priyatno Aryadi Aryadi Cholidhazia, Putri Effendi, Anwar Elfawati Elfawati Elviriadi, Elviriadi Ependi, Zulfan Firmananda, Fahmi Iqbal Hafizullah, M Harahap, Heryani Hermawati, Sela Ikhwana, Abdi Kartika, Aulia Arum Chandra Kurniawan, Febri M Zaki Mohd. Winario Muhammad Zaki Nauli, Sarah Novita, Maulina Putra, Teguh Dwi Rahmad, Wahyudi Rahmat Hidayat Ramadhan, Noffan Kurnia Ramdani, Dedi Rianita, Resti Rizqon Jamil Farhas Rodiallah, Muhamad Saleh, Eniza Sari, Resy Kumala Sari, Ricca Setiawan, Bagus Dimas Setiawan, Dimas Bagus Sri Hardianti Sumianto Sumianto Syafriani, Mona Syaipudin, Muhamamd Syarifah, Laila Tanjung, Lailatul Syifa Wahyu Febri Ramadhan Sudirman Yusuf Mahlil