Research Article

A Hybrid Model Using PCA and BP Neural Network for Time Series Prediction in Chinese Stock Market with TOPSIS Analysis

Table 9

Summary of the exponential smoothing with different smoothing factors.

Performance index

MSE0.97421.35984.0850
RMSE0.98701.16612.0211
MAPE0.01540.01870.0336
Accuracy50.98670.97000.7867
Accuracy0.98630.97230.8226

RMSE, root mean square error. Bold values signify the best results.