CD Skripsi
Model Fungsi Transfer Dengan Deret Gangguan Untuk Meramalkan Curah Hujan Kota Pekanbaru Tahun 2021
Rainfall in Pekanbaru has a high intensity compared to other cities in Riau
Province but during 2010-2020 the intensity becomes uncertain so it is important
to forecast rainfall so that planning in all areas of human life such as agriculture,
development, and so on can be maximized. Rainfall forecasting using the ARIMA
model is considered less significant, so it developed into an ARIMAX model with
the transfer function model method, involving exogenous variables which are
assumed to affect endogenous variables. This study aims to predict the rainfall in
Pekanbaru using a transfer function model with a disturbance series with wind
speed as the exogenous variable. The data is divided into two, namely in sample
data (rainfall data and wind speed for the January-December 2020) and out
sample data (rainfall and wind speed data for the January-December 2021). Based
on the results of the study, it was found that the rainfall forecasting for Pekanbaru
from January to December 2021 was known that the rainfall that occurred ranged
from -128 mm to 561 mm in the low-high rainfall category with a MAPE of 14%
which is a good result.
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