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PERAMALAN MENGGUNAKAN METODE DOUBLE EXPONENTIAL SMOOTHING DAN VERIFIKASI HASIL PERAMALAN MENGGUNAKAN GRAFIK PENGENDALI TRACKING SIGNAL (STUDI KASUS: DATA IHK PROVINSI KALIMANTAN TIMUR) Habsari, Humairo Dyah Puji; Purnamasari, Ika; Yuniarti, Desi
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 14 No 1 (2020): BAREKENG: Jurnal Ilmu Matematika dan Terapan
Publisher : MATHEMATIC DEPARTMENT, FACULTY OF MATHEMATICS AND NATURAL SCIENCES, UNIVERSITY OF PATTIMURA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (935.229 KB) | DOI: 10.30598/barekengvol14iss1pp013-022

Abstract

This study uses IHK data from East Kalimantan Province in January 2016 to February 2019, which has a patterned trend. Data that shows a trend, can use double exponential smoothing forecasting one parameter from Brown and two parameters from Holt. The purpose of this study is to determine the best double exponential smoothing forecasting method based on the smallest MAPE value and verify the best forecasting method based on the tracking signal control chart. Based on the MAPE value of 0.361% and the control chart tracking signal value, the results of the study show that the best forecasting method is the two-parameter double exponential smoothing method of Holt with parameters and .