Fig. 6From: Effect of fermentation process on hygiene and perceived quality of lait caillé, an ethnic milk product from Burkina FasoPrincipal component analysis (PCA) graph (a: variables plot, b: individuals plot) for respondents’ suggestions to raise traditional lait caillé quality and hierarchal clustering (c: dendrogram tree) from the PCA. The variables plot in the PCA graph corresponds to the characteristics of lait caillé suggested for improvement by the respondents. The individuals plot in the PCA graph corresponds to the academic education of the respondentsBack to article page