sas forecast prediction algorithm did not converge after 50 iterations how to check if estimation algorithm did not converge what algorithm didn't converge does proc arima converge does sas' proc arama converge sas project arima error sas proc arima does not converge does sas arcamara converge how long until the estimation algorithm converges in sas proc arima what algorithm does sas proc use why does sas proc arima not converge what is the forecast algorithm for sas when is sas proc arima expected to converge? does the estimation algorithm did not converge after 50 iterations and the forecast was not done? sas proc arima does not converge does a sas forecast algorithm converge does sas arcamara converge when does sas' prediction algorithm did not converge does sas' proc argamara converge does sas proc argaman converge