SIGMA TEKNIKA
Vol 6, No 1 (2023): SIGMATEKNIKA, VOL. 6, N0. 1, JUNI 2023

EVALUASI PERAMALAN PERMINTAAN PRODUK KOPI BUBUK MENGGUNAKAN PENDEKATAN TIME SERIES DI UKM EYANG KAKUNG - GRESIK

Seftian Amiludin (Universitas Muhammadiyah Gresik)
Nina Aini Mahbubah (Universitas Muhammadiyah Gresik)



Article Info

Publish Date
24 Jun 2023

Abstract

Accuracy is a key point to minimize extra goods. This research aims in evaluating goods demand in a small to medium-sized enterprise. Time series was used as a research approach. The data used in this research is the demand data for powdered coffee within and outside the city for one year. This resurch begun with data collection, analysis, and finally forecasting stage using the time series method. The analysis results show that the demand data for Eyang Kakung powdered coffee SMEs has a horizontal data pattern. The time series method used is moving averages and exponential smoothing according to the data pattern classification. After forecasting, the results show MAD=56.59, MSE=4676.52, and MAPE=10.74% for demand within the city and MAD=24.34, MSE=969.46, and MAPE=4.65% for demand outside the city. Based on the forecasting results, it can be concluded that the time series method can be used as a tool to forecast demand for powdered coffee within and outside the city. By using exponential smoothing with α=0.5, it can help SMEs make decisions in preparing raw material stocks and improving production efficiency.

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Journal Info

Abbrev

sigmateknika

Publisher

Subject

Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Description

SigmaTeknika adalah jurnal Fakultas Teknik yang merupakan media publikasi ilmiah internal di lingkungan Fakultas Teknik Unrika dengan fokus pada karya ilmiah berupa tulisan dari hasil penelitian yang dilakukan oleh dosen atau mahasiswa yang meliputi disiplin ilmu teknik mesin, teknik industri, ...