Ph.D., Statistics, Arizona State University, 2012
Dissertation: A Correlated Random Effects Model for Nonignorable Missing Data in Value-Added Assessment of Teacher Effects
Advisors: Sharon Lohr and Yan YangB.A., Mathematics (Honors Track), University of Notre Dame, 2008
Member: The Glynn Family Honors Program.
Karl, A., Yang, Y., Lohr, S. (2014) "Computation of Maximum Likelihood Estimates for Multiresponse Generalized Linear Mixed Models with Non-nested, Correlated Random Effects," Computational Statistics & Data Analysis 73, 146-162.
Karl, A., Eubank, R., Milavanovic, J., Reiser, M., Young, D. (2014) "Parallel Random Number Generation in C++ and R Using RngStreams," Computational Statistics 29, 1301-1320.
Karl, A., Yang, Y., Lohr, S. (2013) "A Correlated Random Effects Model for Nonignorable Missing Data in Value-Added Assessment of Teacher Effects," Journal of Educational and Behavioral Statistics 38, 577-603.
Karl, A., Yang, Y., Lohr, S. (2013). "Efficient Maximum Likelihood Estimation of Multiple Membership Linear Mixed Models, with an Application to Educational Value-Added Assessments," Computational Statistics & Data Analysis 59, 13-27.
Karl, A. (2012). "The Sensitivity of College Football Rankings to Several Modeling Choices," Journal of Quantitative Analysis in Sports,
Volume 8, Issue 3, DOI 10.1515/1559-0410.1471
Rushing, H., Karl, A., Wisnowski, J. Design and Analysis of Experiments by Douglas Montgomery: A Supplement for Using JMP. Cary: SAS, 2013.
Karl, A., Yang, Y., Lohr, S. GPvam: "Maximum Likelihood Estimation of the Generalized Persistence Value-Added Model", The Comprehensive R
Archive Network, http://cran.r-project.org/web/packages/GPvam/index.html
Karl, A., Yang, Y., Lohr, S. (2011). "Exploring Missing Data in Value-Added Models in Education," Proceedings of the Social Statistics Section,
American Statistical Association, 2449-2460
"Text Mining in JMP with R", JMP Discovery Summit 2013, San Antonio, September 2013.
"Exploring the Effects of Missing Data in Value Added Models," Joint Statistical Meetings, Miami Beach, August 2011.
ASU Graduate College Dissertation Fellowship (2011 -2012).
Received a $1,000 Graduate Research Award from the School of Mathematical and Statistical Sciences at ASU (2012).
Received a $2,500, 2nd place Bernoulli Prize for Senior Thesis from Notre Dame's Department of Economics (2008).
Received a 32¢ check from Donald Knuth for a "valuable suggestion" (2008).
R, SAS, C++, OpenMP, SPSS, Minitab, Design Expert, JMP, Unix scripting, Mathematica, LaTeX typesetting
Select CourseworkStatistics (ASU)
Linear Statistical Models, Large Sample Theory, Mixed Models (Theory and Applications), Bayesian Analysis, Categorical Data Analysis (e.g. Logistic Regression), Applied Sampling Methodology, Applied Multivariate Analysis, Applied Regression Analysis, Applied Analysis of Variance
Industrial Engineering (ASU)
Six Sigma Methodology, Design of Experiments, Response Surface Methodology, Statistical Process Control, Data Mining
Mathematics (Notre Dame)
Calculus I-IV (based on works by Tom Apostol), Linear Algebra (2 semesters), Abstract Algebra (2 semesters), Real Analysis (2 semesters), Differential Equations, Topology, Differential Topology, Differential Geometry, Measure-theoretic Probability, Complex Variables, Mathematical Modeling