Pentti Paatero

Positive matrix factorization: A non‐negative factor model with optimal utilization of error estimates of data values

Pentti Paatero, Unto Tapper · Environmetrics · 1994 · 6.1K citations

Low-rank Approximation, Engineering, Optimal Utilization +15

Least squares formulation of robust non-negative factor analysis

Pentti Paatero · Chemometrics and Intelligent Laboratory Systems · 1997 · 2.1K citations

Matrix Factorization, Robust Statistic, Factor Analysis +5

Atmospheric aerosol over Alaska: 2. Elemental composition and sources

Alexandr V. Polissar, Philip K. Hopke, Pentti Paatero et al. · Journal of Geophysical Research Atmospheres · 1998 · 942 citations

Environmental Monitoring, Engineering, Air Quality +16

The Multilinear Engine—A Table-Driven, Least Squares Program for Solving Multilinear Problems, Including the<i>n</i>-Way Parallel Factor Analysis Model

Pentti Paatero · Journal of Computational and Graphical Statistics · 1999 · 808 citations

Mathematical Programming, Numerical Analysis, Engineering +17

Discarding or downweighting high-noise variables in factor analytic models

Pentti Paatero, Philip K. Hopke · Analytica Chimica Acta · 2003 · 689 citations

Factor Analytic Models, Parallel Analysis, Latent Modeling +5