Peer reviewed publications:

Nordhausen, K., Oja, H. and Tyler, D.E. (2006): On the Efficiency of Invariant Multivariate Sign and Rank Tests. In Liski, E.P., Isotalo, J., Niemelä, J., Puntanen, S., and Styan, G.P.H. (editors) "Festschrift for Tarmo Pukkila on his 60th birthday", 217-231, University of Tampere, Tampere. pdf

Aula, A. and Nordhausen, K. (2006): Modeling Successful Performance in Web Searching, Journal of the American Society for Information Science and Technology, 57(12), 1678-1693.

Kukkasjärvi, P., Nordhausen, K. and Malmivaara, A. (2006): Reanalysis of Systematic Reviews: The Case of Invasive Strategies for Acute Coronary Syndromes, International Journal of Technology Assessment in Health Care, 22(4), 484-496.

Nordhausen, K. and Sinha, B.K. (2006): ML Estimation for a Pareto Distribution of the Second Kind in a Sequential Design. Journal of the Indian Statistical Association, 44(1), 61-72.

Nordhausen, K. and Nummi, T. (2007): Estimation of the Diameter Distribution of a Stand Marked for Cutting Using Finite Mixtures. Canadian Journal of Forest Research, 37(4), 817-824.

Nordhausen, K., Oja, H. and Ollila, E. (2007): Robust ICA Based on Two Scatter Matrices. In Aivazian, S. , Filzmoser, P. and Kharin, Y. (editors) "Proceedings of the 8th International Conference on Computer Data Analysis and Modeling", 84-91, Minsk Publishing Center BSU, Minsk.

Nordhausen, K., Oja, H. and Ollila, E. (2008): Robust Independent Component Analysis Based on Two Scatter Matrices. Austrian Journal of Statistics, 37(1), 91-100. link

Nordhausen, K., Oja, H. and Tyler, D.E. (2008): Tools for Exploring Multivariate Data: The Package ICS. Journal of Statistical Software, 28(6), 1-31. link

Nordhausen, K., Oja, H. and Paindaveine, D. (2009): Signed-Rank Tests for Location in the Symmetric Independent Component Model. Journal of Multivariate Analysis, 100(5), 821-834.

Tahvanainen, A., Leskinen, M., Koskela, J.,
Ilveskoski, E., Nordhausen, K., Oja, H., Kähönen, M., Kööbi, T., Mustonen, J. and Pörsti, I. (2009): Ageing and cardiovascular responses to head-up tilt in healthy subjects. Atherosclerosis, 207, 445-451.

Puolakka, P.A.E., Rorarius, M.G.F., Roviola, M., Puolakka, T.J.S., Nordhausen, K. and Lindgren, L. (2010): Persistent Pain Following Knee Arthroplasty. European Journal of Anaesthesiology, 27, 455-460.

Nordhausen, K. and Oja, H. (2010): Three Scatter Matrices and Independent Subspace Analysis. In Aivazian, S. , Filzmoser, P. and Kharin, Y. (editors) "Proceedings of the 9th International Conference on Computer Data Analysis and Modeling", 93-100, Minsk Publishing Center BSU, Minsk.

Ilmonen, P., Nordhausen, K., Oja, H. and Ollila, E. (2010): A New Performance Index for ICA: Properties, Computation and Asymptotic Analysis. In Vigneron, V., Zarzoso, V., Moreau, E., Gribonval, R. and Vincent, E. (editors) "Latent Variable Analysis and Signal Separation", 229-236, Springer, Heidelberg.

Möttönen, J., Nordhausen, K. and Oja, H. (2010): Asymptotic Theory of the Spatial Median. In Antoch, J., Huskova, M. and Sen, P.K. (editors) "Nonparametrics and Robustness in Modern Statistical Inference and Time Series Analysis: A Festschrift in Honor of Professor Jana Jureckova", 182–193, IMS Collections, Vol. 7. link

Tahvanainen, A., Koskela, J., Leskinen, M., Ilveskoski, E., Nordhausen, K., Kähönen, M., Kööbi, T., Mustonen, J. and Pörsti, I. (2011): Reduced Systemic Vascular Resistance in Healthy Volunteers with Presyncopal Symptoms During Nitrate-Stimulated Tilt-Table Test. British Journal of Clinical Pharmacology, 71, 41-51.

Nordhausen, K., Oja, H. and Ollila, E. (2011): Multivariate Models and the First Four Moments. In Hunter, D.R., Richards, D.S.R. and Rosenberger, J.L. (editors) "Nonparametric Statistics and Mixture Models:  A Festschrift in Honor of Thomas P. Hettmansperger", 267-287, World Scientific, Singapore.

Nordhausen, K. and Oja, H. (2011): Independent Subspace Analysis using Three Scatter Matrices. Austrian Journal of Statistics, 40 (1&2), 93-101. link

Nordhausen, K., Ollila, E. and Oja, H. (2011): On the Performance Indices of ICA and Blind Source Separation. In the Proceedings of "2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2011)", 486-490.

Nordhausen, K. and Oja, H. (2011): Multivariate L1 Methods: The package MNM. Journal of Statistical Software, 43(5), 1-28. link

Nordhausen, K. and Oja, H. (2011): Scatter Matrices with Independent Block Property and ISA. In the Proceedings of "19th European Signal Processing Conference 2011 (EUSIPCO 2011)", 1738-1742. link

Nordhausen, K., Ilmonen, P., Mandal, A., Oja, H. and Ollila, E. (2011): Deflation-based FastICA Reloaded. In the Proceedings of "19th European Signal Processing Conference 2011 (EUSIPCO 2011)", 1854-1858. link

Tahvanainen, A., Tikkakoski, A., Leskinen, M., Nordhausen, K., Kähönen, M., Kööbi, T., Mustonen, J. and Pörsti, I. (2012): Supine and Upright Haemodynamic Effects of Sublingual Nitroglycerin and Inhaled Salbutamol – a Double-blind, Placebo-controlled, Randomized Study. Journal of Hypertension, 30(2), 297-306.

Accepted manuscripts:

Oja, H. and Nordhausen, K.: Independent component analysis. (Accepted for publication in 2nd edition of Encyclopedia of Environmetrics)

Nordhausen, K. and Oja, H.: Discussion on the paper "The Asymptotic Efficiency of the Spatial Median for Elliptically Symmetric Distributions" by Andrew Magyar
and David E. Tyler. (Accepted for publication in Sankhya, Series B).

Nordhausen, K., Gutch, H. W., Oja, H. and Theis, F.J.: Joint Diagonalization of Several Scatter Matrices for ICA. (Accepted for publication in the proceedings of the LVAICA 2012 conference)

Submitted manuscripts:

Liski, E., Nordhausen, K. and Oja, H.: Supervised Invariant Coordinate Selection. preprint

Ilmonen, P., Nordhausen, K., Oja, H. and Ollila, E.: Independent Component (IC) Functionals and
a New Performance Index.

Manuscripts under preparation:

Möttönen, J., Nordhausen, K. and Oja, H.: The Asymptotic Covariance Matrix of the Two-Sample Spatial Hodges-Lehmann Estimate.

Nordhausen, K., Ilmonen, P., Oja, H. and Theis, F.J.: On Robust Blind Source Separation.

Ilmonen, P., Nordhausen, K. and Oja, H.: Testing the IC Model Assumption Using Three Different Scatter Matrices.

Fischer, D., Möttönen, J., Nordhausen, K. and Vogel, D.: The OjaNP Package: Theoretical Background of the Package OjaNP.

Nevalainen, J., Nordhausen, K. and Oja, H.: L1-Regression for Multivariate Clustered Data.

Leskinen, M., Tikkakoski, A., Tahvanainen, A., Koskela, J., Nordhausen, K., Kähönen, M., Kööbi, T., Mustonen, J. and Pörsti, I.: Hemodynamic Influences of Daily Two-Week Licorice Ingestion in Healthy Volunteers.

Taurio, J., Vapaatalo, H., Korpela, R., Leskinen, M., Tikkakoski, A., Tahvanainen, A., Nordhausen, K., Kähönen, M., Kööbi, T., Mustonen, J. and Pörsti, I.: Effects of the Combination of Milk-Derived Small Peptides and Phytosterols on Cardiovascular Function in Subjects With Metabolic Syndrome.

Miettinen, J., Nordhausen, K., Oja, H. and Taskinen, S.: Statistical Properties of a Blind Source Separation Estimator for Stationary Time Series.

Tahvanainen, A., Tikkakoski, A., Koskela, J., Leskinen, M., Nordhausen, K., Kähönen, M., Kööbi, T., Mustonen, J., and Pörsti, I.: Two Principal Hemodynamic Responses to Head-up Tilt in Unmedicated Subjects: the Constrictors and the Sustainers.

Liski, E., Nordhausen, K., Oja, H. and Ruiz-Gazen, A.: Averaging Orthogonal Projectors.

Book reviews:

Nordhausen, K. (2008): Book review of "Lattice - Multivariate Data Visualization" by D. Sarkar. International Statistical Reviews, Short Book Reviews, 76(3), 440.

Nordhausen, K. (2009): Book review of "Introductory Statistics with R, Second Edition" by P. Dalgaard . International Statistical Reviews, Short Book Reviews, 77(1), 155-156.

Nordhausen, K. (2009): Book review of "A First Course in Statistical Programming with R" by W. J. Braun and D. J. Murdoch. International Statistical Reviews, Short Book Reviews, 77(2), 317.

Nordhausen, K. (2009): Book review of "The Elements of Statistical Learning: Data Mining, Inference, and Prediction, Second Edition " by T. Hastie, R. Tibshirani, J. Friedman. International Statistical Reviews, Short Book Reviews, 77(3), 482.

Other publications:

Nordhausen, K. (2003): Comparison Between Empirical Bayes and Fully Bayes approaches for Conditionally Exponential Distributed Data, Diploma Thesis, Department of Statistics, University of Dortmund.

Fischer, M., Moriarty J., Nordhausen, K., Panov, I. and Vecil, F. (2006): Dynamic Traffic Control. In Heiliö, M. and Kauranne, T. (editors) "Proceedings of the 18th ECMI Modelling Week 13.-21. August 2004", 39-47, Research Report 101, Lappeenranta University of Technology, Lappeenranta.

Nordhausen, K. (2008): Two Scatter Matrices for Multivariate Analysis. In Koivisto, P. (editor) "Digest of TISE Seminar 2008", 34-39, Tampere.

Nordhausen, K. (2008): On Invariant Coordinate Selection and Nonparametric Analysis of Multivatiate Data, Dissertation, Tampere University Press, Tampere. link

Talks given at conferences:

Multivariate Componentwise Sign and Rank Tests Using an Invariant Coordinate Selection. ICORS 2006.

Location Tests in the IC Model Using Marginal Ranks. ICORS 2007 and LINSTAT 2008.

Two Scatter Matrices for Multivariate Nonparametrics. MIMS Workshop on New Directions in Statistics and Biostatistics 2008 (invited speaker).

Invariant Coordinate Selection for Multivariate
Data Analysis - the Package ICS. useR 2008.

Robust ICA Based on Two Scatter Matrices. ICORS 2008.

Multivariate Models and Their First Four Moments. MANTAWORK09 2009.

Invariant Coordinate Selection for Multivariate Analysis and Multivariate Nonparametrics - the R-Packages ICS and ICSNP. ICORS 2009.

Multivariate Models and Their First Four Moments. WITSME 2009 (invited speaker).

ICS and its Applications in Multivariate Statistics. DagStat2010.

Three Scatter Matrices for ISA. ICORS 2010.

Multivariate Linear L1 Regression for Cluster-Correlated Data. LINSTAT 2010 (invited speaker).

Three Scatter Matrices and Independent Subspace Analysis. CDAM 2010 (invited speaker).

Deflation-based fastICA reloaded. NBBC11.

Supervised Invariant Coordinate Selection. JSM 2011.

Invariant Coordinate Selection and Dimension Reduction. ERCIM 2011 (invited speaker).

Other talks:

Two Scatter Matrices for Multivariate Nonparametrics. University of Dortmund, November 2007.

Multivariate Models, PCA, ICS and ICA. Nonparametric Afternoon of STATCORE and the Finnish Society of Biostatistics, November 2008 and Statistics Seminar, University of Alberta, November 2009.

Two Scatter Matrices for Dimension Reduction. Toulouse School of Economics, May 2010.

1,2,3 - On the Use of Scatter Matrices in PCA,
ICS and ISA. University of Turku, September 2010.

Deflation-based FastICA reloaded. Mini-Workshop on Independent Component and Latent Variable Analysis. Technische Universität München, April 2011.

Posters:

One Sample Signed-Rank Tests in the Symmetric IC Model. Nonparametric Statistics and Mixture Models:
Past, Present, and Future 2008.

Deflation-based FastICA reloaded. Eusipco 2011.