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PERAMALAN PEMAKAIAN LISTRIK PENERANGAN JALAN UMUM (PJU) MENGGUNAKAN METODE EXPONENTIAL SMOOTHING DI KOTA LANGSA Ndiva, Shahnaz Tanzilla; Amelia; Fairus
Amalgamasi: Journal of Mathematics and Applications Vol. 3 No. 1 (2024): Amalgamasi: Journal of Mathematics and Applications
Publisher : Universitas Pasifik Morotai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55098/amalgamasi.v3.i1.pp43-53

Abstract

Energi listrik merupakan salah satu kebutuhan masyarakat yang sangat penting. Namun pada waktu yang sama timbul masalah dalam upaya penyediaannya. Peningkatan pemakaian listrik di kota Langsa selama periode 2019-2023 mengalami peningkatan dan penurunan. Tujuan dari penelitian ini untuk mengetahui hasil peramalan pemakaian listrik penerangan jalan umum menggunakan metode Exponential Smoothing di Kota Langsa. Data yang digunakan adalah data tahunan dengan jenis data adalah data sekunder yang diperoleh dari PT. PLN (Persero) UP3 Langsa. Adapun jenis penelitian ini adalah penelitian kuantitatif dengan metode Exponential Smoothing. Berdasarkan penelitian diketahui bahwa data tidak stasioner, memiliki unsur trend, dan tidak dipengaruhi musiman. Sehingga metode peramalan yang tepat digunakan adalah Double Exponential Smoothing, dengan menggunakan dua parameter yaitu dan . Pada pengujian peramalan diperoleh hasil peramalan mengalami peningkatan 5% - 10% secara terus-menerus di setiap bulannya
KAJIAN FAKTOR-FAKTOR PRODUKSI JERUK DENGAN REGRESI LINIER BERGANDA DI KABUPATEN KARO SUMATERA UTARA PADA TAHUN 2002-2021 Ginting, Amalia; Nurviana; Fairus
JURNAL GAMMA-PI Vol 7 No 2 (2025): Jurnal Gamma-Pi (Matematika dan Pendidikan Matematika)
Publisher : Program Studi Matematika, Fakultas Teknik, Universitas Samudra. Langsa, Aceh.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gamma-pi.v7i2.11714

Abstract

Karo Regency is recognized as one of the main citrus-producing regions in North Sumatra, contributing significantly to the local agricultural economy. However, citrus production in this area has fluctuated over the years, possibly due to variations in climatic conditions. This study aims to examine the extent to which climatic factors influence citrus production in Karo Regency. The analysis employed a multiple linear regression approach to identify the relationship between climatic variables and production outcomes. The research utilized secondary data obtained from relevant institutions, including citrus production records and climate data for the study period. Independent variables included temperature, humidity, rainfall, and the number of rainy days, while citrus production served as the dependent variable. The findings revealed that both jointly and individually, climatic factors had no significant effect on citrus production. The coefficient of determination (R²) of 0.211 indicates that only 21.1% of production variation is explained by the model. Consequently, future studies are encouraged to incorporate other determinants such as cultivation practices and farm management strategies
Peramalan Jumlah Pendaftaran Tanah Menggunakan Metode Exponential Smoothing Pada Kantor Pertanahan Kota Langsa Nurhadija; Sari, Riezky Purnama; Ulya Nabilla; Nurviana; Fairus
JURNAL GAMMA-PI Vol 7 No 2 (2025): Jurnal Gamma-Pi (Matematika dan Pendidikan Matematika)
Publisher : Program Studi Matematika, Fakultas Teknik, Universitas Samudra. Langsa, Aceh.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gamma-pi.v7i2.13370

Abstract

Co-Authors Adnan Afrah Junita Agus Putra AS Amelia Amelia Amelia Ety, Dusra Fajri, Rahmatul Fitriani Ginting, Amalia Herlina Putri Endah Sari Muhammad Jamil Muliani, Fitra Nabilla, Ulya Nafisah, Siti Rafa' Naibaho, Mariana Ndiva, Shahnaz Tanzilla Nurhadija Nurviana Okta, Okta Safira ritonga Purnama Sari, Riezky Rahmi Meutia, Rahmi Ramadani, Indah Riezky Purnama Sari Saiman . Sari, Riezky Purnama Saumi, Fazrina Siswahyudianto Suriah Tanzilla Ndiva, Shahnaz Ulya Nabilla