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Sistem Rekapitulasi Transaksi Dan Peramalan Harga Jual Beli Gabah Kering Panen (Gkp), Beras Dengan Menggunakan Metode Regresi Trend Parabola
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Darnilasari, Aulia
Abdurrasyid, Abdurrasyid
Haris, Abdul
Subject
Teknik Informatika 
Datestamp
2022-09-20 07:25:15 
Abstract :
Sales are one of the business activities that many people do to earn profit. Before making a sale, the seller or buyer has already determined the price to buy from forecasting the price they have gotten. However, sometimes the price forecasting is much different from expectations. The real state is sometimes the price rises or even decreases. Furthermore, the data collection of buy and sell transactions using the memorandum, but the note is often the occurrence of the retail even damaged resulting in losses between one party. This became the foundation of Web-based application to be created to record the collection of sale and purchase transactions at PT. (Persero). In addition to the application data, it can also reduce the level of loss experienced. How to get the price forecasting of GKP and Rice using a method of regression Trend Parabola by taking GKP data Example 4 months (July-October 2018) of 3 years existing data, and conducted testing methods to know the accuracy of forecasting By calculating the error values that occurred. MAPE (Mean Percentage Error) is calculated by using the absolute Error of each period divided by the actual observation value of that period and the value of the Mean Absolute Presentage Error accuracy 
Institution Info

Institut Teknologi Perusahaan Listrik Negara