Does anyone know of a package for High Frequency Data analysis. Particularly I'd like to find something over any of the following topics: ACD (Autoregressive Conditional Duration) - Engle HARCH - Muller UHF-GARCH (Ultra High Frequency GARCH) - Engle thanks! -- View this message in context: http://www.nabble.com/High-Frequency-Financial-Calculations-tp14327315p14327315.html Sent from the R help mailing list archive at Nabble.com.