PERAMALAN PENJUALAN OBAT MENGGUNAKAN METODE SINGLE EXPONENTIAL SMOOTHING PADA TOKO OBAT BINTANG GEURUGOK
DOI:
https://doi.org/10.29103/techsi.v7i1.178Abstract
Toko Obat Bintang adalah salah satu toko obat yang ada di Geurugok. Toko obat Bintang sangat memerlukan peramalan penjualan obat untuk meningkatkan keuntungan dan menghindari terjadinya kelebihan maupun kekurangan persediaan jumlah obat. Adapun parameter atau alpha yang digunakan dalam meramalkan penjualan obat adalah alpha = 0.1, alpha = 0.2, alpha = 0.3, alpha = 0.4, alpha = 0.5, alpha = 0.6, alpha = 0.7, alpha = 0.8, dan alpha = 0.9. Single Exponential Smoothing melakukan perbandingan dalam menentukan nilai alpha, dengan mencari nilai alpha tersebut secara trial/acak sampai menemukan alpha yang memiliki error minimum dengan pencarian menggunakan metode MSE (Mean Square Error). Maka hasil peramalan yang memiliki alpha dengan nilai error paling minimumlah yang akan dipilih menjadi peramalan untuk periode selanjutnya. Sistem peramalan penjualan obat menggunakan metode Single Exponenial Smoothing hanya dapat meramalkan satu periode kedepan. Pada tahap uji sampel didapat bahwa peramalan penjualan obat pada obat Ambeven bulan Maret 2015 barjumlah 49 tablet.References
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. Suhardi dan Purwanto S.K.2004. Statistika Untuk Ekonomi
dan Keuangan. Buku 2. Salemba Empat, Jakarta.
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