Preprocess_MAdata_Cancer: The Preprocess_MAdata_Cancer function
In MethylMix: MethylMix: Identifying methylation driven cancer genes

Internal. Pre-process gene expression data for cancer samples.

1 2	Preprocess_MAdata_Cancer(CancerSite, Directory, File, MissingValueThresholdGene = 0.3, MissingValueThresholdSample = 0.1)

`CancerSite`	TCGA code for the cancer site.
`Directory`	Directory.
`File`	File.
`MissingValueThresholdGene`	threshold for missing values per gene. Genes with a percentage of NAs greater than this threshold are removed. Default is 0.3.
`MissingValueThresholdSample`	threshold for missing values per sample. Samples with a percentage of NAs greater than this threshold are removed. Default is 0.1.