irwsva.build2           Adjusted irwsva.build which builds surrogate
                        variables from gene expression data
num.sv2                 Adjusted num.sv which estimates the number of
                        important surrogate variables from a gene
                        expression data set.
sva2                    The adjusted sva code using irwsva.build2
ttScreening             A screening process built upon training and
                        testing samples
ttScreening-package     Genome-wide DNA methylation sites screening by
                        use of training and testing samples.
