“…Hence, other analysis techniques need to be employed. Various methods can be adopted for such an analysis including autoregressive methods (Fishman, 1971;Fishman, 1973), spectral analysis (Heidelberger and Welch, 1981) and regenerative methods Iglehart, 1974a, b, 1975;Crane and Lemoine, 1977;Fishman, 1977;Lavenberg and Sauer, 1977). Here we use the batch means approach (Conway, 1963;Fishman, 1978) since this is deemed suitable for automation.…”