Formatting Data In R To Perform Factor Analysis Using Psych Package
I'm dealing with a .csv full of RPKM values for various genes by genders, brain region, and age formatted thus:
age 1 1 2 2
gender m f m f
region a b c a
gene1 4.2 2.2 4.1 3.3
gene2 0.4 2.1 3.2 3.3
gene3 0.1 2.2 3.2 7.2
I want to perform a simple factor analysis as demoed here, but am not sure on how my data needs to be formatted in order to do so.
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At least with FactoMineR, you need a matrix with genes as columns and samples as rows. I recall the psych package functions being the same.
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