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All Journal JATI (Jurnal Mahasiswa Teknik Informatika) Cakradonya Dental Journal
Auliya, Suci
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Computer Science & IT Dentistry Public Health

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IMPLEMENTASI ALGORITMA REGRESI LINIER DALAM MEMPREDIKSI KEUNTUNGAN CV. XYZ Auliya, Suci; Suarna, Nana; Ali, Irfan; Susana, Heliyanti
JATI (Jurnal Mahasiswa Teknik Informatika) Vol. 9 No. 1 (2025): JATI Vol. 9 No. 1
Publisher : Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jati.v9i1.12593

Abstract

Latar belakang penelitian ini adalah pentingnya memahami pengaruh variabel Harga Pokok Penjualan (HPP) terhadap keuntungan perusahaan dalam melakukan analisis keuntungan. Penelitian ini bertujuan menganalisis dan memprediksi keuntungan penjualan pakan ternak di Perusahaan XYZ yang berdomisili di Kabupaten Cirebon. Penelitian ini menggunakan data penjualan bulanan selama tahun 2023 dan 2024, yang mencakup minggu ke, HPP, jumlah penjualan (Qty), total tagihan, total pembayaran, dan margin keuntungan. Data ini diolah melalui teknik preprocessing untuk memastikan kualitasnya sebelum dianalisis menggunakan algoritma regresi linier. Model ini digunakan untuk mempelajari hubungan antara variabel-variabel tersebut dan memprediksi margin keuntungan secara akurat. Hasil penelitian menunjukkan bahwa HPP memiliki koefisien sebesar 0,143, yang berarti setiap kenaikan HPP akan meningkatkan margin keuntungan sebesar 0,143 dengan asumsi variabel lain tetap. Prediksi margin menggunakan model ini juga menunjukkan akurasi tinggi, dengan nilai Root Mean Squared Error (RMSE) sebesar 2%. Temuan ini menunjukkan bahwa algoritma regresi linier adalah alat yang efektif untuk memprediksi keuntungan dan dapat diterapkan pada perusahaan dengan skala data serupa untuk mendukung perencanaan bisnis yang lebih baik
The Moderating Role of Social Determinants in the Association between Malnutrition and Dental Caries Among Elementary School Children Auliya, Suci; Djafri, Defriman; Ramadani, Mery
Cakradonya Dental Journal Vol 17, No 2 (2025): Agustus 2025
Publisher : FKG Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/cdj.v17i2.45701

Abstract

Dental caries represents a significant health issue, being the most prevalent disease worldwide. Despite being easily preventable, its prevalence has not significantly decreased over the past thirty years and remains concentrated within groups of low socioeconomic status. Chronic malnutrition (stunting) in children can cause atrophy and reduced saliva secretion, which affects masticatory performance and the OHIS (Oral Hygiene Index Simplified). This study aims to determine the influence of social determinants on the correlation between stunting and dental caries in elementary school children. A cross-sectional study design was implemented, and data were analyzed using bivariate and multivariate methods. The findings of this investigation demonstrate a statistically significant association between malnutrition and dental caries (p-value = 0.010). The interaction analysis identified toothbrushing habits as a significant covariate exhibiting an interactive effect between nutritional status and the prevalence of dental caries. Following adjustment for interaction and confounding variables in the final multivariate regression model, the Prevalence Odds Ratio (POR) for nutritional status was determined to be 6.739, with a corresponding significance level of 0.007. Furthermore, the regression coefficient (B) was calculated as 1.908, indicating a positive correlation between nutritional status and the occurrence of dental caries. Based on the results of the study, it was concluded that there is a significant relationship between malnutrition and dental caries that was identified as being influenced by social determinants of toothbrushing habits.
Co-Authors Defriman Djafri Irfan Ali, Irfan Ramadani, Mery Suarna, Nana Susana, Heliyanti