Changes in version 0.99.9: o This version of the package has all calculations in matrix formulation and handles nuisance parameters appropriately. Changes in version 0.99.7: o Added new function, contrasts.varFit. Changes in version 0.99.6: o Modified getLeveneResiduals Changes in version 0.99.5: o Modified the varFit function to accept DGEList objects for differential variability testing for RNA-Seq data. Changes in version 0.99.4: o First version of package contains functions to perform SWAN normalisation and differential variability analysis for DNA methylation data from Illumina's Infinium HumanMethylation450 beadchip.