what is armatoma? what is an armatoma function for how to convert an ar from an arma model what program to use to make arma models infinite which r function converts a normal arma model to an infinite arc model? what is arcoma r converts arma to infinite r what is the r armatoma function used for how to do infinite process in r how to convert arc model to infinite in r what is armatoma convert arma to infinite ar how to convert arma models to infinite arc process in r can r convert arma models does r use argoma how to convert r to arma in r convert arma model to r in arithmetical function what is the limit of infinite ar process in r how to create an arma model in r how to get ph from r