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Items Authored or Edited by Nickolay Trendafilov

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Number of items: 50.

2017

Adachi, Kohei and Trendafilov, Nickolay T. (2017). Sparsest factor analysis for clustering variables: a matrix decomposition approach. Advances in Data Analysis and Classification (Early Access). restricted access item, not available for direct download

2016

Adachi, Kohei and Trendafilov, Nickolay T. (2016). Sparse principal component analysis subject to prespecified cardinality of loadings. Computational Statistics, 31(4) pp. 1403–1427.

Gallo, Michele; Trendafilov, Nickolay and Buccianti, Antonella (2016). Sparse PCA and investigation of multielements compositional repositories: theory and applications. Environmental and Ecological Statistics, 23(3) pp. 421–434.

Trendafilov, Nickolay T. and Gebru, Tsegay Gebrehiwot (2016). Recipes for sparse LDA of horizontal data. METRON, 74 pp. 207–221. file

2015

Trendafilov, Nickolay T. and Adachi , Kohei (2015). Sparse versus simple structure loadings. Psychometrika, 80(3) pp. 776–790. restricted access item, not available for direct download

2014

Trendafilov, Nickolay T. (2014). From simple structure to sparse components: a review. Computational Statistics, 29(3-4) pp. 431–454. restricted access item, not available for direct download

Trendafilov, Nickolay; Kleinsteuber, Martin and Zou, Hui (2014). Sparse matrices in data analysis. Computational Statistics, 29(3-4) pp. 403–405. restricted access item, not available for direct download

Fontanella, Sara; Trendafilov, Nickolay and Adachi, Kohei (2014). Sparse exploratory factor analysis. In: Proceedings of COMPSTAT 2014: 21st International Conference on Computational Statistics, pp. 281–288. file

Trendafilov, Nickolay and Adachi, Kohei (2014). Penalty-free sparse PCA. In: Proceedings of COMPSTAT 2014: 21st International Conference on Computational Statistics, pp. 197–203. file

2013

Enki, Doyo G.; Trendafilov, Nickolay T. and Jolliffe, Ian T. (2013). A clustering approach to interpretable principal components. Journal of Applied Statistics, 40(3) pp. 583–599. restricted access item, not available for direct download

Trendafilov, Nickolay; Unkel, Steffen and Krzanowski, Wojtek (2013). Exploratory factor and principal component analyses: some new aspects. Statistics and Computing, 23(2) pp. 209–220.

Unkel, Steffen and Trendafilov, Nickolay T. (2013). Zig-zag exploratory factor analysis with more variables than observations. Computational Statistics, 28(1) pp. 107–125. restricted access item, not available for direct download

2012

Trendafilov, Nickolay (2012). Dindscal: direct INDSCAL. Statistics and Computing, 22(2) pp. 445–454.

Enki, Doyo G. and Trendafilov, Nickolay T. (2012). Sparse principal components by semi-partition clustering. Computational Statistics, 27(4) pp. 605–626. restricted access item, not available for direct download

2011

Unkel, Steffen; Hannachi, Abdel; Trendafilov, Nickolay T. and Jolliffe, Ian T. (2011). Independent component analysis for three-way data with an application from atmospheric science. Journal of Agricultural, Biological, and Environmental Statistics, 16(3) pp. 319–338.

Trendafilov, Nickolay T. and Unkel, Steffen (2011). Exploratory factor analysis of data matrices with more variables than observations. Journal of Computational and Graphical Statistics, 20(4) pp. 874–891.

2010

Unkel, S. and Trendafilov, N. T. (2010). A majorization algorithm for simultaneous parameter estimation in robust exploratory factor analysis. Computational Statistics and Data Analysis, 54(12) pp. 3348–3358.

Trendafilov, Nickolay (2010). Stepwise estimation of common principal components. Computational Statistics and Data Analysis, 54(12) pp. 3446–3457. restricted access item, not available for direct download

Unkel, Steffen; Trendafilov, Nickolay T.; Hannachi, Abdel and Jolliffe, Ian T. (2010). Independent exploratory factor analysis with application to atmospheric science data. Journal of Applied Statistics, 37(11) pp. 1847–1862.

Kostova, Snezhanka; Trendafilov, Nickolay; Popova, Silviya and Georgieva, Nonka (2010). Eco-effcency: concept, approaches and assessment. Bulgarian Journal of Meteorology and Hydrology, 15(1) pp. 118–128. restricted access item, not available for direct download

Trendafilov, Nickolay T. (2010). Stepwise estimation of common principal components. Computational Statistics and Data Analysis, 54(12) pp. 3446–3457. restricted access item, not available for direct download

Unkel, Steffen and Trendafilov, Nickolay T. (2010). Simultaneous parameter estimation in exploratory factor analysis: an expository review. International Statistical Review, 78(3) pp. 363–382.

Kostova, Snezhanka; Trendafilov, Nickolay; Popova, Silviya and Georgieva, Nonka (2010). Eco-efficiency: concept, approaches and assessment. Bulgarian Journal of Meteorology and Hydrology, 15(1) pp. 118–128.

2009

Hannachi, A.; Unkel, S.; Trendafilov, N. T. and Joliffe, I. T. (2009). Independent component analysis of climate data: a new look at EOF rotation. Journal of Climate, 22(11) pp. 2797–2812.

Unkel, Steffen and Trendafilov, Nickolay (2009). Factor analysis as data matrix decomposition: a new approach for quasi-sphering in noisy ICA. In: Adali, Tülay; Jutten, Christian; Romano, João MarcosTravassos and Barros, Allan Kardec eds. Independent Component Analysis and Signal Separation: 8th International Conference, ICA 2009, Paraty, Brazil, March 15-18, 2009. Proceedings. Lecture Notes in Computer Science (5441). Berlin: Springer, pp. 163–170.

Trendafilov, N. T. and Vines, K. (2009). Simple and interpretable discrimination. Computational Statistics and Data Analysis, 53(4) pp. 979–989.

2007

Trendafilov, Nickolay T. and Jolliffe, Ian T. (2007). DALASS: Variable selection in discriminant analysis via the LASSO. Computational Statistics and Data Analysis, 51(8) pp. 3718–3736.

Unkel, Steffen and Trendafilov, Nickolay T (2007). Noisy independent component analysis as a method of rotating the factor scores. In: Davies, Mike E; James, Christopher J; Abdallah, Samer A and Plumbley, Mark D eds. Independent Component Analysis and Signal Separation: 7th International Conference, ICA 2007, London, UK, September 9-12, 2007. Proceedings. Lecture Notes in Computer Science (4666). Berlin: Springer, pp. 810–817.

Joliffe, I.T.; Learmouth, J.A.; Pierce, G.J.; Santos, M.B.; Trendafilov, N.; Zuur, A.F.; Ieno, E.N. and Smith, G.M. (2007). Principal component analysis applied to harbour porpoise fatty acid data. In: Zuur, Alain F.; Ieno, Elena N. and Smith, Graham M. eds. Analysing Ecological Data. Statistics for biology and health. New York: Springer, pp. 515–528.

2006

Trendafilov, Nickolay T. (2006). The Dynamical System Approach to Multivariate Data Analysis. Journal of Computational and Graphical Statistics, 15(3) pp. 628–650.

Trendafilov, Nickolay T. and Jolliffe, Ian T. (2006). Projected gradient approach to the numerical solution of the SCoTLASS. Computational Statistics and Data Analysis, 50(1) pp. 242–253.

Hannachi, A.; Jolliffe, I. T.; Stephenson, D. B. and Trendafilov, N. (2006). In search of simple structures in climate: Simplifying EOFs. International Journal of Climatology, 26(1) pp. 7–28.

2005

Jennrich, Robert I. and Trendafilov, Nickolay T. (2005). Independent component analysis as a rotation method: A very different solution to Thurstone's box problem. British Journal of Mathematical and Statistical Psychology, 58(2) pp. 199–208.

Trendafilov, Nickolay T. (2005). Fitting the factor analysis model in ℓ1 norm. British Journal of Mathematical and Statistical Psychology, 58(1) pp. 19–31.

Bartkowiak, Anna and Trendafilov, Nickolay (2005). Feature extraction by the SCoTLASS: an illustrative example. In: Klopotek, Mieczyslaw A; Wierzchen, Slawomir T. and Trojanowski, Krzysztof eds. Intelligent Information Processing and Web Mining. Advances in Intelligent and Soft Computing (31). Berlin: Springer, pp. 3–11.

2004

Trendafilov, Nickolay T. and Watson, G. A. (2004). The ℓ 1 oblique procrustes problem. Statistics and Computing, 14(1) pp. 39–51. restricted access item, not available for direct download

Trendafilov, Nickolay (2004). Orthonormality-constrained INDSCAL with nonnegative saliences. In: Lagan'a, Antonio; Gavrilova, Marina L.; Kumer, Vipin; Mun, Youngsong; Kenneth Tan, C. J. and Gervasi, Osvaldo eds. Computational Science and Its Applications - ICCSA 2004. Lecture Notes in Computer Science (3044). Berlin, Germany: Springer, pp. 952–960.

Trendafilov, Nickolay and Watson, G.A (2004). The ℓ1 oblique procrustes problem. Statistics and Computing, 14(1) pp. 39–51.

2003

Jolliffe, I.T.; Trendafilov, N.T. and Uddin, M. (2003). A modified principal component technique based on the LASSO. Journal of Computational and Graphical Statistics, 12(3) pp. 531–547. file

Trendafilov, Nickolay T. (2003). Dynamical system approach to factor analysis parameter estimation. British Journal of Mathematical and Statistical Psychology, 56(1) pp. 27–46.

Trendafilov, Nickolay T. (2003). On the ℓ1 Procrustes problem. Future Generation Computer Systems, 19(7) pp. 1177–1186.

2002

Trendafilov, Nickolay T. and Lippert, Ross A. (2002). The multimode Procrustes problem. Linear Algebra and its Applications, 349(1-3) pp. 245–264.

Trendafilov, Nickolay T. (2002). GIPSCAL revisited. A projected gradient approach. Statistics and Computing, 12(2) pp. 135–145. restricted access item, not available for direct download

Trendafilov, Nickolay T. (2002). GIPSCAL revisited. Statistics and Computing, 12(2) pp. 135–145.

2001

Chu, M.T. and Trendafilov, N.T. (2001). The orthogonally constrained regression revisited. Journal of Computational and Graphical Statistics, 10(4) pp. 746–771.

1999

Trendafilov, Nickolay T. (1999). A continuous-time approach to the oblique Procrustes problem. Behaviormetrika, 26(2) pp. 167–181. file

1998

Trendafilov, Nickolay T. and Chu, Moody T. (1998). On a differential equation approach to the weighted orthogonal Procrustes problem. Statistics and Computing, 8(2) pp. 125–133.

Trendafilov, Nickolay T. and Chu, Moody T. (1998). ORTHOMAX rotation problem. a differential equation approach. Behaviormetrika, 25(1) pp. 13–23. file

1996

Trendafilov, Nickolay (1996). Iterative majorizing rotation to orthogonal simple structure solution. Multivariate Behavioral Research, 31(3) pp. 271–287.

1994

Trendafilov, Nickolay (1994). A simple method for procrustean rotation in factor analysis using majorization theory. Multivariate Behavioral Research, 29(4) pp. 385–408.

This list was generated on Sun Nov 19 22:58:15 2017 GMT.

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