TY - JOUR A1 - Hemann, J. G. A1 - Brinkman, G. L. A1 - Dutton, S. J. A1 - Hannigan, M. P. A1 - Milford, J. B. A1 - Miller, S. L. T1 - Assessing positive matrix factorization model fit: a new method to estimate uncertainty and bias in factor contributions at the measurement time scale JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 2 SP - 497 EP - 513 Y1 - 2009/01/22 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/9/497/2009/ L1 - https://acp.copernicus.org/articles/9/497/2009/acp-9-497-2009.pdf DO - 10.5194/acp-9-497-2009 ER -