Robust and Nonlinear Time Series Analysis formatIsbn:Softcover 9780387961026 industrial engineering operations research and van Oystaeyen industrial engineering operations research and applied probability will find this book useful This is intended to be the simplest form into which all systems close to the original s tem can be transformed the researchers often relied on a vague belief in a kind of continuity principle according to which the results of time series inference would change only a small amount if the actual model deviated only a small amount from the assum ed model probably for two main reasons: First