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performing PCA by R

Hello Everyone ,i want to create PCA fifure for RNA seq , i don't know how i can perform it by R and i don't which type of reads i used the normalized value or the row data

Thanks

pca rna-seq r

3 answers

@Kevin has a nice package available: https://github.com/kevinblighe/PCAtools

Thread with info: A: PCA plot from read count matrix from RNA-Seq

?prcomp
Also this tutorial.

DESeq2 has a plotPCA function, take a look here

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