American Journal of Theoretical and Applied Statistics

Volume 2, Issue 1, January 2013

  • Time Series Outlier Analysis of Tea Price Data

    S. D. Krishnarani

    Issue: Volume 2, Issue 1, January 2013
    Pages: 1-6
    Received: Dec. 21, 2012
    Accepted:
    Published: Jan. 10, 2013
    DOI: 10.11648/j.ajtas.20130201.11
    Downloads:
    Views:
    Abstract: In this article Autoregressive Integrated Moving Average (ARIMA) models were fitted and outliers are identified for the auction price of tea in three regions- North India, South India and All India. The ARIMA models with seasonal differencing are found to be quite appropriate for the data. The region specific dynamics are distinctly assessed based ... Show More
  • Comparative Analysis of Bayesian Control Chart Estimation and Conventional Multivariate Control Chart

    Johnson Ademola Adewara1, J. Ademola, Ogundeji K. Rotimi

    Issue: Volume 2, Issue 1, January 2013
    Pages: 7-11
    Received: Jan. 15, 2013
    Accepted:
    Published: Jan. 10, 2013
    DOI: 10.11648/j.ajtas.20130201.12
    Downloads:
    Views:
    Abstract: Bayesian model or Beta-binomial conjugate using Bayesian sequential estimation method to estimate the proportion of different age groups is compared with the conventional multivariate control chart method. The parameters for the techniques were derived and applied. The result shows that the patients between the ages of 15-44 in 2009 and 44-64 and 6... Show More