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Analisis time series terhadap indeks harga konsumen [IHK] Kabupaten Cilacap dengan Autoregressive integrated moving average dalam perspektif Islam :
The economy is one of the cornerstone of life. Economic indicators can be seen from the consumer price index which shows the rate of increase or decrease the price by year basis. The increase of prices causes inflation of the area. One of the areas in Indonesia who receives the impact of rising prices or in flation is Cilacap district. Cilacap is the largest district in Central Java that economic development would have a major impact on the economy of Central Java Province. The levels of the economy Cilacap district can be seen from the consumer price index [CPI], the higher the Consumer Price Index [CPI] will lead to increasing inflation. CPI is an index that describes the development of prices of goods and services occurs. This research has been done on the CPI forecast for some future period using the autoregressive Integrated Moving Average [ARIMA]. Data CPI in January 2009 to June 2011 are used as training data for modeling purposes and obtained the following results.ifa.
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