Dear All, Is there any package to perform linear and nonlinear causality test with frequency bands. In the non linear causality the model can take any of the specification which includes Semi-additive, P-general Taylor based, ANN-based. This is also done in Wavelet decomposition. Please suggest me some procedure to perform these test. With sincere regards, Upananda -- You may delay, but time will not. Research Scholar alternative mail id: upani@iitkgp.ac.in Department of HSS, IIT KGP KGP [[alternative HTML version deleted]]