Identifikasi Struktur Bawah Permukaan di Bagian Barat Surabaya Menggunakan Metode Spatial Autocorrelation (SPAC) Data Mikrotremor = Identification of Subsurface Structures in the Western Part of Surabaya Using the Spatial Autocorrelation (SPAC) Microtremor Data Method

Masalah autokorelasi dalam model autoregresif tingkat satu.

Implementasi model runtun waktu dengan hybrid arima-ann menggunakan filter moving average pada peramalan nilai tukar dolar as terhadap rupiah = Implementation of time series modeling based on hybrid arima ann with moving average filter for forecasting exchange rate of usd to rupiah

Time series: data analysis and theory

Time series data analysis using eviews