Unit 1
Introduction – Fourier Vs Wavelets – Seasonality filtering – Signal denoising – Identification of structural breaks – Scaling – Aggregate heterogeneity and time scales – Multiscale Cross Correlation. Review of linear filters – The EWMA and volatility estimation – The Hodrick – Prescott filter – Baxter – King filter – Filters in technical analysis of financial markets. Optimum linear estimation – Weiner filer – Recursive filtering and Kalman filter – Prediction with Kalmanfilter – Vector Kalman filter estimation – Applications.