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Peramalan curah hujan di Provinsi Aceh menggunakan metode Box-Jenkins Nurhafifah, Nurhafifah; Patriardian, Ferdy; Hidayati, Alfy; Alzahira, Ratu Rahil; Tasyant, Deva Jhuandra; Anwar, Samsul
Majalah Ilmiah Matematika dan Statistika Vol 23 No 1 (2023): Majalah Ilmiah Matematika dan Statistika
Publisher : Jurusan Matematika FMIPA Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/mims.v23i1.34702

Abstract

Floods are one of the natural disasters that frequently occur in Indonesia, including in Aceh Province. Floods primarily occur when rainfall is intense, mainly in the rainy season. Flood disaster management in Aceh Province is still not optimal, so efforts are required to minimize the negative effects of the flood disaster. One of the efforts that can be done is to predict the rainfall that may occur in the future. This study aims to predict rainfall in Aceh Province in 2022 and 2023. The data employed are monthly rainfall data in Aceh Province from 2014 to 2021. The forecasting method employed to predict rainfall is the Autoregressive Moving Average (ARMA) model. Forecasting results using the ARMA (8,6) model show that rainfall in Aceh Province in 2022 and 2023 are predicted to tend to be intense in March, April, May, September, October and November. The Aceh government together with the district/city governments need to prepare anticipatory steps, for example by cleaning water flows like ditches and rivers and socializing about the dangers of flooding and its causes, especially for people living in watersheds. These actions are expected to minimize the potential for flooding in Aceh Province in the future, especially when rainfall is predicted to be intense. Keywords:Aceh Province, box-jenkins, flood, forecasting, rainfallMSC2020:62M10
PENGARUH ASIMETRI INFORMASI, KUALITAS AUDIT, KOMITE AUDIT DAN UKURAN PERUSAHAAN TERHADAP MANAJEMEN LABA PADA PERUSAHAAN PERBANKAN DI BEI PERIODE 2018-2022 Nurhafifah, Nurhafifah; Sari, Nurshadrina Kartika; Ningsih, Wiwik Fitria
RISTANSI: Riset Akuntansi Vol. 5 No. 2 (2024): RISTANSI: Riset Akuntansi, Volume 5, Nomor 2, Desember 2024
Publisher : Program Studi Akuntansi Institut Teknologi dan Bisnis Asia Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/ristansi.v5i2.1844

Abstract

This study aims to analyze the effect of information asymmetry, audit quality, audit committee and firm size on earnings management. The object of this study are banking companies listed on the Indonesia Stock Exchange (IDX) for the 2018-2020 period. The sample selection used a purposive sampling method, so that a total of 32 bank companies were obtained. The research method used is a quantitative approach to the method of analysis, namely multiple linear regression analysis with dummy variables. The results of this study indicate that (1) information asymmetry and audit quality have no effect on earnings management (2) audit committee and firm size have an effect on earnings management. Simultaneously, information asymmetry, audit quality, audit committee and firm size have an influence on earnings management.
PERAN UKURAN PEMUSATAN DAN PENYEBARAN DATA DALAM MENGGAMBARKAN KARAKTERISTIK SUATU DATA SEKOLAH TINGGI AGAMA ISLAM NEGERI MANDAILING NATAL Sakhi, Zahra Salsabila; Nurhafifah, Nurhafifah; Astina, Pri; Zulpan, Zulpan
Jurnal Literasiologi Vol 14 No 2 (2025): Jurnal Literasiologi
Publisher : Yayasan Literasi Kita Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47783/literasiologi.v14i2.1027

Abstract

Artikel ini bertujuan menjelaskan bagaimana ukuran pemusatan serta ukuran penyebaran data berperan dalam menggambarkan karakteristik suatu data secara lebih komprehensif. Penelitian ini menggunakan pendekatan deskriptif dengan menganalisis berbagai contoh data untuk melihat bagaimana nilai pemusatan dan variasi data saling melengkapi dalam memberikan informasi. Hasil analisis menunjukkan bahwa ukuran pemusatan mampu memberikan gambaran mengenai nilai pusat dari suatu kumpulan data, sedangkan ukuran penyebaran diperlukan untuk melihat tingkat variasi atau keragaman data tersebut. Kedua ukuran ini bersama-sama memberikan penjelasan data yang lebih  (terpercaya), (menyeluruh), dan objektif. Dengan demikian, pemahaman tentang kedua ukuran ini sangat penting dalam proses analisis data, terutama untuk menghasilkan penafsiran yang tepat dan dapat dipertanggung jawabkan.
PENINGKATAN PEMAHAMAN DALAM PENCEGAHAN PERILAKU MEROKOK MELALUI LAYANAN BIMBINGAN KELOMPOK DENGAN MEDIA KERTAS (KARTU EDUKASI REMAJA TANPA ASAP) PADA SISWA KELAS VII SMPN 3 BANJARMASIN Rosalinda, Wennie; Fatimah, Siti; Nurhafifah, Nurhafifah; Permata Sari, Nina; Istiqomah, Istiqomah; Riyadi, Akhmad
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 2 (2026): Volume 11 No. 02, Juni 2026.
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i2.53361

Abstract

The low level of students' understanding of the dangers of smoking is a common problem among junior high school students, influenced by peer pressure, curiosity, and the lack of engaging educational media. Based on the Student Needs Questionnaire (AKPD) conducted at SMPN 3 Banjarmasin, several students demonstrated a low level of understanding regarding the dangers of smoking and smoking prevention efforts. This study aimed to improve students’ understanding of smoking prevention through group guidance services using KERTAS (Smoke-Free Youth Education Card) media. The study employed the Guidance and Counseling Action Research (PTBK) method, conducted in three cycles consisting of planning, action, observation, and reflection stages. The participants were 10 seventh-grade students with low understanding of the dangers of smoking. Data were collected through observation, tests, and documentation, while descriptive analysis is used to present the results across pre-cycle, cycle I, cycle II, and cycle III. The findings showed a gradual and significant improvement in students’ understanding. In the pre-cycle, all students were categorized as low. After the intervention, 60% of students reached the high category and 40% the very high category in cycle I. In cycles II and III, 70% achieved the very high category and 30% remained in the high category, with three students obtaining perfect scores in cycle III. Process evaluation also indicated improvements in participation, self-confidence, critical thinking, and active engagement. Therefore, group guidance services using KERTAS media were effective in enhancing students’ understanding of the dangers of smoking and supporting early smoking prevention efforts.