Reform M-values into a matrix with two columns representing matched control and case groups. It concatenate M-values pair-by-pair based on the design matrix.
The input M-values matrix, NA is not allowed.
A design matrix, which can be generated by 'stats::model.matrix'. If the M-values are totally paired or single paired, just leave it to be NULL.
A matrix with two columns representing matched control and case groups. If a sample has no paired sample in another group (say group B), then the values in group B will be represented by NA.
Linghao SHEN <[email protected]>
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# Assume the values come from Tumor is 10 larger than those from Normal. # The case with totally paired data mv1 <- matrix(1:20,5) reformData(mv1) # The case with One more sample from Tumour group # The second Tumour sample is the extra one mv2 <- matrix(1:25,5) mv2[,2] <- mv2[,2] + 5 patient <- factor(c(1,3,1:3)) type = c(rep("Normal",2),rep("Tumour",3)) pd <- model.matrix(~patient + type + 0) reformData(mv2, pd)
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