preprocessing function

Preprocessing data

Takes exp_data, normal_snp, and tumor_snp

preprocessing(exp_data, normal_snp, tumor_snp, f_path)

Arguments

• exp_data: a string, file name of xxx
• normal_snp: a string, file name of xxx
• tumor_snp: a string, file name of xxx
• f_path: a string, file path of the files above

Returns

• df: a dataframe containing lrr, nrc, baf and n_baf