Dr. Ferry Butar

Dr. Ferry Butar Butar

Professor of Statistics

Fractal analysis of time series and distribution properties of Hurst exponent (with Malhar Kale), Journal of Mathematical Sciences and Mathematics Education, Vol. 6, No. 1, pp 8 - 19, 2011.

Chaos Dynamic and Fractal Analysis of Time Series, 2010 Proc. Amer. Assoc., Alexandria, VA, pp 1561 - 1568.

An Insight into Heavy-Tailed Distribution (with Annapurna Ravi). Journal of Mathematical Sciences and Mathematics Education, Vol. 5, No. 1, pp 19 - 31, 2010.

Permutation tests for paired samples: Power comparison (with Manage, A.), 2009 Proc. Amer. Asoc., Alexandria, VA, pp 4786 - 4796.

Comparison of the Power of the Paired Samples using Permutation Tests (with Ananda Manage). Journal of Mathematical Sciences and Mathematics Education, Vol. 4, No. 2, pp 19 - 31,2009.

Permutation Tests for comparing two populations (with Jae-Wan Park). Journal of Mathematical Sciences and Mathematics Education, Vol. 3, No. 2, pp 19 - 30, 2008.

Permutation Tests for comparing more than two samples Journal of Mathematical Sciences and Mathematics Education, Vol. 2, No. 2, pp. 20 - 29, 2007.

Statistical Analysis in one-day Cricket, (with Bandulasiri) 2007 Proc. Amer. Statist. Assoc., Alexandria, VA, pp. 2600 - 2605.

Small-sample tests for efficacy in fixed-dose drug combination studies, (with Holt, M.) 2007 Proc. Amer. Statist. Assoc., Alexandria, VA, pp. 653 - 656.

Matrix plots in support of visualization of matrix characteristics, (with Hallum, Holt, Bandulasiri), 2007 Proc. Amer. Statist. Assoc., Alexandria, VA, pp. 2300 - 2305.

Bayesian Multiple imputation and Maximum likelihood methods for Missing data, (with Min Sun), 2007 Proc. Amer. Statist. Assoc., Alexandria, VA, pp. 3174 - 3180.

An empirical study of the bootstrap and the jackknife methods applied in double sampling (with Jing Wang), 2006 Proc. Amer. Statist. Assoc., Alexandria, VA, pp. 3826 - 3828.

Testing outliers using a mixture population when some data are missing (with Aruna Saram), 2006 Proc. Amer. Statist. Assoc., Alexandria, VA, pp. 1230 - 1236.

Small Area Estimation, Encyclopedia of Social Measurement, In K. Kempf-Leonard (Ed), San Diego, CA, Academic Press, Vol 3, pp 489-494, 2005.

Estimating the de-designation of single-county HPSAs in the United States by counting naturopathic physicians as medical doctors (with Albert, Donald), Applied Geography, Vol 25, pp 271-285, 2005.

Downward Hierarchical Diffusion of Naturopathic Physicians in Oregon from 2002 - 2004 (with Don P. Albert), Northwest Science, Vol 79 no. 1, pp 81-84, 2005.

Geography of Naturopathy in the United States: Current Status (with Albert, D. P.), The Pennsylvania Geographer. Vol 42 no. 2, pp 120 - 129, 2005.

Spatial Data analysis of Lung Cancer Mortalities in Texas (with Abhishek Lall and Albert, D. P). 2004 Proc. Amer. Statist. Assoc., Alexandria, VA, pp 2328-2331.

Variance Components in Small-Area: Empirical Bayes Approach, 2001 (with Quatracia Williams), Communication in Statistics, Theory and Methods

Diffusion on Naturopathic State Licensing in the United States and Canada (with Donald P. Albert), Complementary Health Practice Review, Vol 9, No. 3, pp 193-207, 2004.

Distribution, Concentration, and Health care implications of Naturopathy Physicians in the United States (with Don Albert), Complementary Health Practice Review, Vol 9, No. 2, pp 103-117, 2004.

Spatial Dimensions and Health Care Implications of Naturopathic Physicians in the United States (with Albert, D. P.), Proceeding of the American Association of Geographers, New Orleans, March 2003.

Bayesian Method Applied to Loss Models (with Suzanne Grimes), 2003 Proc. Amer. Statist. Assoc., Alexandria, VA, pp 1695-1700.

Factoring N.D.s into the HPSA equation (with Donald P. Albert), Texas Journal of Rural Health}, 21 number 4, pp 44-52, 2003. (with commentary)

On Measures of Uncertainty of Empirical Bayes Small-Area Estimators (with P.Lahiri), Journal of Statistical Planning and Inference, 112, pp. 63-76, 2003.

Feasibility of Using Telephone, Association, and Licensure Directories to examine the Geographic Distribution of Naturopathic Physicians in Oregon, Arizona, and Connecticut (with Donald P. Albert), Geography Online, Vol. 3 Number 2, Fall 2002.

Spatial Hierarchical Bayes Small Area Estimators,2002 Proc. Amer. Statist. Assoc., Alexandria, VA, pp 346-350.

Empirical Bayes estimation of several population means and variances under random sampling variances model (with P. Lahiri), Journal of Statistical Planning and Inference}, 102, pp. 59-69, 2002.

Empirical Bayes in Small Area problems (with Traci Williams), 2001 Proceedings of the American Statistical Association in Bayesian Statistics section, Atlanta, Georgia.

Empirical Bayes estimation of finite population variances (with P. Lahiri), Sankhya, 61, pp. 305-314, 1999.