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2017
DOI: 10.15642/mantik.2017.3.1.13-22
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Perbandingan Keakuratan Hasil Peramalan Produksi Bawang Merah Metode Holt-Winters dengan Singular Spectrum Analysis (SSA)

Abstract: The Holt-Winters method is used to model data with seasonal patterns, whether trends or not. There are two methods of forecasting in Singular Spectrum Analysis (SSA), namely recurrent method (R-forecasting) and vector method (V-forecasting). The recurrent method performs continuous continuation (with the help of LRF), whereas the vector method corresponds to the L-continuation. Different methods of course make a difference in the accuracy of forecast results. To see the difference between the three methods is … Show more

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Cited by 7 publications
(6 citation statements)
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“…In a study to compare the forecasting accuracy of the Holt Winters method and the Singular Spectrum Analysis model (SSI) [11],the difference in methods undoubtedly affects the accuracy of the predicted outcomes. The distinction between the three methods is determined by comparing the accuracy and dependability of the forecast results.…”
Section: Methodsmentioning
confidence: 99%
“…In a study to compare the forecasting accuracy of the Holt Winters method and the Singular Spectrum Analysis model (SSI) [11],the difference in methods undoubtedly affects the accuracy of the predicted outcomes. The distinction between the three methods is determined by comparing the accuracy and dependability of the forecast results.…”
Section: Methodsmentioning
confidence: 99%
“…Keterangan: P = Panjang interval Langkah selanjutnya ialah membagi semesta U menjadi beberapa sesuai dengan hasil jumlah dan panjang interval yang diperoleh, berikut ini merupakan setiap interval yang didapatkan: 10. Nilai prediksi yang teah diperoleh selanjutnya dilakukan evaluasi model fuzzy time series markov chain dengan memakai metode MAPE sebagaimana berikut [16], [17].…”
Section: Landasan Teoriunclassified
“…Penentuan nilai L dilakukan secara coba-coba (trial and error) dan 𝐾 = 𝑛 − 𝐿 + 1. Matriks lintasan, X, dibentuk dengan (Jatmiko, Rahayu, & Darmawan, 2017) 𝐟 𝑖 = (𝑓 1 , 𝑓 𝑖+1 , … , 𝑓 𝑖+𝐿−1 ) 𝑇 dimana 1 ≤ 𝑖 ≤ 𝐾 (1) Pada tahap SVD, nilai singular dari matriks lintasan X didekomposisi menjadi penjumlahan matriks yang diperoleh dari eigentriple. S = XX T (2) misalkan 𝜆 1 , 𝜆 2 , … , 𝜆 𝑖 merupakan nilai eigen dari matriks dimana 𝜆 1 ≥ ⋯ ≥ 𝜆 𝑖 ≥ 0 dan u1, u2, ..., ui adalah vektor eigen dari nilai eigen matriks S. Rank dari matriks X ditunjukkan dengan 𝑟 * = max{𝑖, so 𝜆 𝑖 > 0}.…”
Section: Singular Spectrum Analysisunclassified
“…(5) 𝑘) , dan jika 𝐿 > 𝐾 , 𝑦 𝑖𝑗 * (𝑘) = 𝑦 𝑗𝑖 (𝑘) . Runtun awal akan didekomposisi menjadi jumlah dari m runtun yang direkonstruksi ditunjukkan pada persamaan berikut: (Jatmiko, Rahayu, & Darmawan, 2017) Dekomposisi SSA dari runtun waktu hanya dapat berhasil jika komponen yang berbeda dapat dipisahkan. Terdapat dua jenis keterpisahan, yaitu keterpisahan kuat dan lemah (Hassani & Mahmoudvand, 2018).…”
Section: Singular Spectrum Analysisunclassified