PCA and hierarchical clustering
To facilitate graphical interpretation of relatedness among the 48
tissue samples, we reduced the dimensional expression data to two
dimensions by PCA through Omicshare tools(https://www.omicshare.com/tools/Home/Soft/pca) .
Hierarchical clustering (HCL) was carried out through Omicshare tools
(https://www.omicshare.com/tools/Home/Soft/hca ).