Analisis Kelayakan Rencana Pembukaan Showroom Mobil oleh PT Istana Deli Kejayaan (IDK2) Berdasarkan Ramalan Permintaan di Banda Aceh

Abstract

This study aimed to analyze the Honda brand car sales data in Banda Aceh using ARIMA models for forecasting 2012 – 2013. The data used is the Honda brand automobile sales data by PT. Istana Deli Kejayaan (IDK2) from 2007-2011. ARIMA forecasting process done in several stages. The first step is to analyze the data stationary by means plot the data and see the autocorrelation and partial autocorrelation of the data obtained. Further identify the model and estimate the parameters of the model. Models with each - each type obtained Jazz with ARIMA (1,1,4), CRV with ARIMA (1,1,3) and Freed with ARIMA (0,1,2). So, the result of each of car sales that 41, 64, dan 24. By knowing the estimated sales proceeds cars in Banda Aceh, improvement planning to do another factor to increasing car sales.