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  1. F

    Density plot 3d for clustering

    Good morning everybody. I want to ask you if it is possibile to build a 3d density plot in order to show the density of a cluster, having the scores for the first 2 Principal Component for each individual. I showed the density of each cluster using the package "ggplot2", but I've done it only in...
  2. F

    PCA for Compositional Data using R

    Good evening! As the title suggest, I'm approaching to PCA for compositional Data. The dataset is about 5200 proteins for which is recorded a value for the chromatography in 30 intervals (obviously, the sum of every row is equal to 1). According to Aitchison's theory, I scaled data with...