getExprSet              download exprSet data
ggcorplot               correlationship between two gene in single or
                        all cancer
ggpancor                pancor result plot
panCCLE_small           CCLE preprocessed data for correlationship
                        analysis
panGTEX_small           GTEx preprocessed data for correlationship
                        analysis
pancancer_small         TCGA preprocessed data for correlationship
                        analysis
pancor                  caculate the correlatship ratio in pancancer
