Nigeria Exchange Rate Volatility: A Comparative Study of Recurrent Neural Network LSTM and Exponential Generalized Autoregressive Conditional Heteroskedasticity Models

Table 4.

RNN-LSTM AIC Result for Train and Validation Result for Euro, Pound Sterling and US Dollars

Euro Pound Sterling US Dollars

Structure of the LSTM Model AIC of Training AIC of Testing AIC of Training AIC of Testing AIC of Training AIC of Testing

p = 1, q = 1 5.44 5.65 5.56 5.64 4.32 4.64
p = 5, q = 1 3.56 3.71 3.88 3.92 2.76 2.97
p = 10, q = 1 3.12 3.22 3.40 3.82 2.22 2.67
p = 20 q = 1 3.32 3.39 3.33 3.91 2.51 2.74
p = 40, q = 1 3.05 3.49 3.46 3.83 2.35 2.53
p = 80, q = 1 7.21 8.12 9.32 9.93 2.69 2.94
p = 4, q = 4 6.63 6.92 7.75 7.92 5.31 5.59
p = 8, q = 8 6.92 7.11 7.87 8.02 5.42 5.88
p = 4, q = 40 6.64 6.93 7.54 7.74 6.42 7.03
p = 8, q = 80 5.31 5.66 6.11 6.63 5.87 6.34