5.4 Determine the variables that drive variation among each PC.5.3 Quickly explore potentially informative PCs via a pairs plot.
5.2.6 Colour by a continuous variable and plot other PCs.5.2.5 Modify line types, remove gridlines, and increase point size.5.2.4 Change shape based on tumour grade, remove connectors, and add titles.5.2.2 Supply custom colours and encircle variables by group.5.2.1 Colour by a metadata factor, use a custom label, add lines through origin, and add legend.5.1 Determine optimum number of PCs to retain.4 Quick start: Gene Expression Omnibus (GEO).3.1 Conduct principal component analysis (PCA):.
