Analysis of sweet corn nutritional values using multivariate statistical methods

A tétel rövid nézete
dc.contributor.authorHuzsvai, László
dc.contributor.authorFejér, Péter
dc.contributor.authorIllés, Árpád
dc.contributor.authorBojtor, Csaba
dc.contributor.authorBojté, Csilla
dc.contributor.authorHorváth, Éva
dc.contributor.authorDemeter, Cintia
dc.date.accessioned2021-06-28T11:02:34Z
dc.date.available2021-06-28T11:02:34Z
dc.date.issued2021-06-01
dc.description.abstractProcessing large amounts of data provided by automated analytical equipment requires carefulness. Most mathematical and statistical methods have strict application conditions. Most of these methods are based on eigenvalue calculations and require variables to be correlated in groups. If this condition is not met, the most popular multivariate methods cannot be used. The best procedure for such testing is the Kaiser-Meyer-Olkin test for Sampling Adequacy. Two databases were examined using the KMO test. One of them resulted from the sweet corn measured in the scone of the study, while the other from the 1979 book of János Sváb. For both databases, MSA (measures sampling adequacy) was well below the critical value, thus they are not suitable e.g. for principal component analysis. In both databases, the values of the partial correlation coefficients were much higher than Pearson’s correlation coefficients. Often the signs of partial coefficients did not match the signs of linear correlation coefficients. One of the main reasons for this is that the correlation between the variables is non-linear. Another reason is that control variables have a non-linear effect on a given variable. In such cases, classical methods should be disregarded and expert models better suited to the problem should be chosen in order to analyse the correlation system.en
dc.formatapplication/pdf
dc.identifier.citationActa Agraria Debreceniensis, No. 1 (2021) , 103-108
dc.identifier.doihttps://doi.org/10.34101/actaagrar/1/8587
dc.identifier.issn2416-1640
dc.identifier.issue1
dc.identifier.jatitleActa agrar. Debr.
dc.identifier.jtitleActa Agraria Debreceniensis
dc.identifier.urihttps://hdl.handle.net/2437/317225en
dc.languageen
dc.relationhttps://ojs.lib.unideb.hu/actaagrar/article/view/8587
dc.rights.accessOpen Access
dc.rights.ownerby the Author(s)
dc.subjectmultivariate methodsen
dc.subjectKaiser – Meyer – Olkin (KMO) Test for Sampling Adequacyen
dc.subjectnutritional values of plantsen
dc.titleAnalysis of sweet corn nutritional values using multivariate statistical methodsen
dc.typefolyóiratcikkhu
dc.typearticleen
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