microarray (affymetrix, illumina)

library(limma)

exp=read.idat('idat_file_name.idat',bgx_file)

#idat_file은 gene expression data

#bgx file은 일종의 annotation file임

ex2=neqc(exp) # Background intensity correction.

https://bioconductor.org/packages/devel/data/experiment/vignettes/BeadArrayUseCases/inst/doc/BeadArrayUseCases.pdf

https://support.bioconductor.org/p/78325/