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Menampilkan 11–20 dari 69 artikel
Kualitas Perairan Ditinjau Dari Sifat Fisika – Kimia dan Biologis Sungai Tapak Kelurahan Tugurejo Kota Semarang
Edubioprena - Jurnal Ilmiah Pendidikan Biologi, Biologi, & Bioentrepreneurship
Vol 2
, No 2
(2025)
Sungai Tapak merupakan sungai yang terletak di Tugurejo Kota Semarang, sungai Tapak memiliki peranan yang sangat penting dalam kehidupan sehari-hari. Dengan adanya beberapa aktivitas masyrakat di sekitar sungai Tapak seperti aktivitas nelayan, pabrik, dan pencemaran limbah rumah tangga yang menyebabkan sungai Tapak menglami pencemaran. Penelitian ini bertujuan untuk mengetahui kualitas perairan sungai ditinjau dari sifat fisika, kimia dan makrozoobentos. Penelitian ini di laksanakan di Tugurejo,...
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Evaluating Ordinal Multivariate Models under Multicollinearity via Pairwise Likelihood: A Simulation Perspective
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
This study examines the effect of multicollinearity on ordinal regression through a two-stage Monte Carlo simulation. A synthetic population of 2,000,000 observations was generated with predictors drawn from a normal distribution, and responses simulated using an ordinal probit model. A Monte Carlo procedure was employed with 10 repetitions, each consisting of 100 random samples of 1,000 observations. Parameter estimation employed Maximum Likelihood Estimation (MLE) for univariate models and Pai...
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ANALISIS KESALAHAN MAHASISWA DALAM MENYELESAIKAN SOAL KALKULUS DITINJAU DARI INDIKATOR PROBLEM SOLVING
JIPMat (Jurnal Ilmiah Pendidikan Matematika)
Vol 10
, No 2
(2025)
Penelitian ini bertujuan untuk menanalisis kesalahan mahasiswa dalam menyelesaikan soal Kalkulus, khususnya pada materi penerapan integral berdasarkan indikator kemampuan problem solving. Metode yang digunakan adalah deskriptif kualitatif dengan subjek mahasiswa Fakultas Teknik Universitas Ekasakti Padang sebanyak 68 orang yang telah menempuh mata kuliah Kalkulus 2 tahun ajaran 2024-2025. Instrumen penelitian yang digunakan berupa tes uraian dan pedoman wawancara dengan mahasiswa. Tes uraian...
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Perancangan Aplikasi Pemesanan Catering Berbasis Web Pada Cafe D’Carlos
Teknik: Jurnal Ilmu Teknik dan Informatika
Vol 5
, No 2
(2025)
The development of information technology has affected a large number of sectors, one of which is the culinary industry, namely Cafe D'Carlos located in Parepare. This cafe has problems with the manual catering ordering process due to impracticality, recording errors, and long processing times. This study aims to design and develop a web-based catering ordering application to improve operational efficiency and service quality. In general, the development method for various applications tends to...
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Pengaruh Pemberian Video Edukasi Terhadap Pengetahuan Computer Vision Syndrome Pekerja Administrasi Perkantoran RSDM Surakarta
Jurnal Inovasi dan Pengabdian Masyarakat Indonesia
Vol 4
, No 3
(2025)
Latar belakang: Komputer sudah menjadi bagian dalam kehidupan kita sehari-hari untuk mempermudah dalam menjalankan pekerjaan administrasi. Kantor, sekolah, dan rumah menjadi lokasi utama penggunaan komputer. Bekerja dengan komputer dalam waktu lama dapat mengakibatkan gangguan computer vision syndrome (CVS). Survey di Amerika, mencatat 80% penggunaan perangkat digital lebih dari 2 jam/hari mengalami gejala CVS diantaranya yaitu nyeri leher dan bahu, ketegangan mata, penglihatan kabur, dan mata k...
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Evaluation ChatGPT User Sentiment using Naive Bayes: A Review of Confusion Matrix and Classification Report
Dianda Rifaldi
; Tri Stiyo Famuji
; Bella Okta Sari Miranda
; Fauzan Purma Ramadhan
; Iriene Putri Mulyadi
; Vanji Saputra6
; Fanani, Galih Pramuja Inngam
Jurnal Riset Sistem dan Teknologi Informasi
Vol 3
, No 2
(2025)
The development of artificial intelligence (AI) technology, particularly in natural language processing (NLP), has led to various innovations, including ChatGPT. Its growing popularity highlights the need for user sentiment analysis. This study evaluates user sentiment toward ChatGPT using the Naive Bayes algorithm. The dataset, obtained from Kaggle, consists of 500 labeled English tweets categorized as positive, neutral, or negative. The process involved text preprocessing, TF-IDF feature extra...
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Forward chaining Method for Early Detection of Mental Disorders
Jurnal Riset Sistem dan Teknologi Informasi
Vol 3
, No 2
(2025)
Mental disorders are specific conditions associated with symptoms and pain that cause disruptions in psychosocial functioning. In general, people who want to diagnose mental disorders need to meet directly with a doctor. This research aims to develop an expert system that can assist in the process of diagnosing mental disorders, where this system can produce decisions equivalent to those of a doctor, so that the public no longer needs to meet a doctor directly for initial diagnosis. This researc...
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Optimalisasi Loyalitas Anggota BMT melalui Peningkatan Kualitas Pelayanan dan Kepuasan Berbasis Prinsip Syariah (Studi pada BMT Amanah Nusa Jepara)
JURNAL IQTISAD: Reconstruction of Justice and Welfare for Indonesia
Vol 12
, No 1
(2025)
The issue of member loyalty has emerged as a significant challenge for Baitul Maal wat Tamwil (BMT) in preserving institutional sustainability in the face of intensifying competition in financial services and the mounting complexity of member expectations, particularly within the context of Sharia. This background underscores the significance of comprehending the factors that shape loyalty, particularly from the perspective of members as service users. The objective of this study is to examine h...
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ISOLATION OF AnsB GENE FRAGMENT ENCODING L-ASPARAGINASE 2 ENZYME FROM Serratia plymuthica UBCF_13 AND IT’S IN-SILICO DOMAIN CHARACTERISTIC
Ananda, Abi Awfa Rahman
; Nursyafi, Fauzan Syarif
; Aliya, Lisana Shidiqqin
; Hasibuan, Imron Martua
; Alioes, Yustini
; Endrinaldi , Endrinaldi
; Adrial, Adrial
; Elmatris , Elmatris
; Jamsari, Jamsari
; Lily Syukriani
Bioma : Jurnal Ilmiah Biologi
Vol 14
, No 1
(2025)
Acute lymphoblastic leukemia(ALL) is one of the cancer diseases often occurs in children and causes high mortality in children. One of the chemotherapy treatment suggested is using L-Asparaginase 2. However due to its difficult production process making this approach expensive for the public. Therefore production technology of this enzyme is crucial enabling cheaper for ALL treatment. This study aimed to isolate the AnsB gene sequence from Serratia plymuthica UBCF_13 and perform its further in-...
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Use of the TPI and TWI Methods for Identifying Karst Dolines in Purwosari District, Gunungkidul Regency, Indonesia
Forum Geografi
Vol 39
, No 1
(2025)
Gunung Sewu Karst, located in the Gunung Kidul Regency within the Special Region of Yogyakarta, features a distinctive karst topography consisting of dolines, hills and caves. Despite its aesthetic appearance, the area often experiences water scarcity due to the lack of surface water. Dolines, basin-like depressions formed during the karstification process, play a crucial role in biodiversity conservation, ecology, hydrology and land-use management planning. This study aims to map and identify t...
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