Changes in version 1.1.1                        

MAJOR CORRECTIONS

    o   function heatI uses heatmap.2 (from gplots)

    o   function IPCA was corrected, i.e., it was displaying the wrong variances

                       Changes in version 0.99.8                        

MAJOR CORRECTIONS

    o   two datasets were renamed (from I to TF_Imp and from p to p_TFs)

    o   some loops were vectorized in the vignettes