01024naa a2200181 a 450000100080000000500110000800800410001902400570006010000200011724502280013726000090036552003430037465300190071765300220073665300170075870000170077577300500079219180072021-11-01 2012 bl uuuu u00u1 u #d7 ahttps://doi.org/10.1590/S0100-404220120001000392DOI1 aSOUZA, A. M. de aExperimento didático de quimiometria para análise exploratória de óleos vegetais comestíveis por espectroscopia no infravermelho médio e análise de componentes principaisbum tutorial, parte l.h[electronic resource] c2012 aThis manuscript aims to show the basic concepts and practical application of Principal Component Analysis (PCA) as a tutorial, using Matlab or Octave computing environment for beginners, undergraduate and graduate students. As a practical example it is shown the exploratory analysis of edible vegetable oils by mid infrared spectroscopy. aEspectroscopia aÓleo comestível aQuimiometria1 aPOPPI, R. J. tQuímica Novagv. 35, n. 1, p. 223-229, 2012.