Weight Estimation Using Generalized Moving Average  

Oleh:

Purnomo, Jerry Dwi Trijoyo ; Budiantara, I. Nyoman ; Fitriasari, Kartika

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: IPTEK: The Journal for Technology and Science vol. 19 no. 4 (Nov. 2008), page 123-128.
Topik: Weighted Partial Spline; Generalized Moving Average; Original Spline

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM48.4 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Estimation of regression curve usually conducted using three methods; parametric methods, non-parametric methods, and semi-parametric method. non-parametric method has several techniques, which are histogram, kernel, and spline. from various types of spline techniques, weighted parsial spline is developed to solve heterokedasticity problem, this is due to the inability of original partial spline model in handling the heterokedasticity problem. different tecniques are used in choosing the weighted criteria, one of the tecnique is generallized moving average (GMA). study about the amount of electricity power loss in PT. PLN East Java Province, North Surabaya Region, resulted that there was a tendency of heterogeneous variance. using weighted partial spline model with GMA method give better results than original partial spline model. this finding indicates the model of weighted partial spline using GMA method is better than original partial spline model in explaining the heterogeneity of variance.

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