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PERAMALAN HARGA BERAS BULANAN DI TINGKAT PENGGILINGAN DENGAN METODE WEIGHTED MOVING AVERAGE Ramadania, Riska
Bimaster : Buletin Ilmiah Matematika, Statistika dan Terapannya Vol 7, No 4 (2018): BIMASTER
Publisher : FMIPA Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.126 KB) | DOI: 10.26418/bbimst.v7i4.28402

Abstract

Pangan merupakan kebutuhan primer bagi manusia. Hal ini mengakibatkan persoalan pangan menjadi isu global yang harus ditemukan solusinya. Tujuan penelitian ini adalah untuk memprediksi rata-rata harga beras bulanan (Rp/Kg) di tingkat penggilingan menurut kualitas beras medium dan menentukan kombinasi bobot terbaik menggunakan tiga bobot dengan metode Weighted Moving Average (WMA). Kriteria ukuran kesalahan peramalan yang digunakan untuk mengetahui ketepatan hasil peramalan dalam penelitian ini adalah Mean Absolute Deviation (MAD), Mean Square Error (MSE) dan Mean Absolute Percentage Error (MAPE). Berdasarkan nilai ukuran kesalahan peramalan, kombinasi bobot terbaik pada metode WMA dengan menggunakan tiga bobot adalah kombinasi bobot 36 yaitu dengan nilai kombinasi bobot 10,2,1. Hasil peramalan dari penelitian rata-rata harga beras bulanan (Rp/Kg) di tingkat penggilingan menurut kualitas beras medium untuk bulan Desember 2017 dengan kombinasi bobot 36 adalah sebesar Rp9.227,94/Kg.Kata kunci: Beras, WMA, MAD, MSE, MAPE
Hubungan Kualitas Tidur Dengan Tingkat Insomnia Pada Lansia Binaan PSTW Nirwana Puri Kota Samarinda Kalimantan Timur bahtiar, bahtiar; Ramadania, Riska; Nopriyanto, Dwi; Nur, Syukma
Alauddin Scientific Journal of Nursing Vol 5 No 1 (2024): MEI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/asjn.v5i1.45506

Abstract

Sleep quality refers to the ease of initiating and maintaining sleep, the duration of sleep, and any discomfort experienced during sleep or upon awakening. Insomnia, a common issue among the elderly, hinders their ability to sleep. The objective of this study was to establish the correlation between sleep quality and the degree of insomnia among the senior residents receiving assistance at the Nirwana Puri Social Tresna Werdha Home (PSTW) in Samarinda City, East Kalimantan. A cross-sectional research survey approach was employed to collect data from a sample of 52 older individuals. The Pittsburgh Sleep Quality Index tool was utilized to assess sleep quality, while the Insomnia Rating Scale was employed to gauge the severity of insomnia. The data analysis in this study employed the Chi-Square test. The findings indicated a significant correlation between sleep quality and the severity of insomnia in the elderly (p=0.002). The relationship between sleep quality and the level of insomnia in the elderly at PSTW Nirwana Puri Samarinda City is evident. Consequently, healthcare professionals must devise therapies to address sleep issues in older individuals in order to enhance their quality of life.