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PEMODELAN REGRESI NONPARAMETRIK MENGGUNAKAN PENDEKATAN POLINOMIAL LOKAL PADA BEBAN LISTRIK DI KOTA SEMARANG

*Suparti Suparti  -  Departemen Statistika, Universitas Diponegoro, Indonesia
Alan Prahutama  -  Departemen Statistika, Universitas Diponegoro, Indonesia
Open Access Copyright (c) 2016 MEDIA STATISTIKA under http://creativecommons.org/licenses/by-nc-sa/4.0/.

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Abstract

Semarang is the provincial capital of Central Java, with infrastructure and economic’s growth was high. The phenomenon of power outages that occurred in Semarang, certainly disrupted economic development in Semarang. Large electrical energy consumed by industrial-scale consumers and households in the San Francisco area, monitored or recorded automatically and presented into a historical data load power consumption. Therefore, this study modeling the load power consumption at a time when not influenced by the use of electrical load (t-1)-th. Modeling using nonparametric regression approach with Local polynomial. In this study, the kernel used is a Gaussian kernel. In local polynomial modeling, determined optimum bandwidth. One of the optimum bandwidth determination using the Generalized Cross Validation (GCV). GCV values obtained amounted to 1425.726 with a minimum bandwidth of 394. Modelling generate local polynomial of order 2 with MSE value of 1408.672.

 

Keywords: electrical load, local polinomial, gaussian kernel, GCV.

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