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All Journal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI JurTI (JURNAL TEKNOLOGI INFORMASI) The IJICS (International Journal of Informatics and Computer Science) JURIKOM (Jurnal Riset Komputer) JURTEKSI Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Building of Informatics, Technology and Science Jurnal Pengabdian Masyarakat Multidisiplin Jurnal Teknik Informatika (JUTIF) J-Com (Journal of Computer) Jurnal IPTEK Bagi Masyarakat Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Journal Of Indonesian Social Society Jurnal Ilmiah Multidisiplin Nusantara
Rizaldi, Rizaldi
Sekolah Tinggi Manajemen Informatika Dan Komputer Royal
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Journal : Jurnal Teknik Informatika (JUTIF)

 1 
FORECASTING OF FERTILIZER INVENTORY IN UD. MENARA TANI WITH WEIGHTED MOVING AVERAGE (WMA) AND DOUBLE EXPONENTIAL SMOOTHING (DES) METHOD Sinta Ramayani; Rizaldi; Muhammad Iqbal
Jurnal Teknik Informatika (Jutif) Vol. 3 No. 3 (2022): JUTIF Volume 3, Number 3, June 2022
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jutif.2022.3.3.171

Abstract

The process of supplying or stocking fertilizers at UD. Menara Tani is still carried out manually or only based on previous sales estimates, resulting in excess and shortage of fertilizer stocks. The purpose of this study was to determine the appropriate method in calculating the forecasting of ZA, Urea and KCL fertilizer supplies with a smaller error rate. The research method was conducted both Weighted Moving Average (WMA) and Double Exponential Smoothing (DES) with data collection conducted by observation and interview to owner of UD. Menara Tani. The results showed that the comparison of MAPE DES values ​​for each type of fertilizer was 24.70%, 21.59% and 20.12%. while the MAPE WMA values ​​are 4.53%, 39.51% and 38.90%. Forecasting applications with weighted moving average and double exponential smoothing can determined the prediction of fertilizer supplies in the next period. By comparing between WMA and DES, the best predictive value was found in the DES method.
FORECASTING TECHNIQUES OF CONTACT HERBICIDE SALES USING SINGLE MOVING AVARAGE METHOD IN UD. LUMBUNG TANI Umairoh; Rizaldi; Hommy Dorthy Ellyany Sinaga
Jurnal Teknik Informatika (Jutif) Vol. 3 No. 3 (2022): JUTIF Volume 3, Number 3, June 2022
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jutif.2022.3.3.188

Abstract

The process of supplying or stocking fertilizers at UD. Lumbung Tani is still carried out manually or only based on previous sales estimates, resulting in excess and shortage of contact herbicide stocks. The purpose of this study was to determine the amount of inventory derived from previous contact herbicide sales data using the SMA method to predict the contact herbicides gramoxone, tamaxone, paratop, himaquat, naraxone with a smaller error rate. The results showed that the MAPE SMA3 values ​​for each type of herbicide were 22. 13%, 22.35%, 22.72%, 21.83%, 18.20%. Forecasting applications with Single Moving Average can determine the prediction of contact herbicide supplies in the next period. By using the SMA3 method the owner of UD. Lumbung Tani can forecast sales in the following month which is more efficient and effective.
Co-Authors Ari Dermawan Arridha Zikra Syah Dewi Anggraeni Dewi Anggraeni Dewi Rahmawati elvina yunita Endra Saputra Febri Dristyan Guntur Maha Putra Hommy Dorthy Ellyany Sinaga Mardalius Mardalius Maulana Dwi Sena Muhammad Iqbal Muthia Dewi Nasution, Akmal Riki Handoko Rizky Maulidya Sinta Ramayani Umairoh