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+#' GU cirrhosis (CIRR) and GU hepatocellular carcinoma (HCC) data.
+#'
+#' A dataset containing the expression levels of 39 metabolites on a total of 120 subjects (HCC: 60; CIRR: 60).
+#'
+#' @format A dataframe with 39 variables (rows) and 120 subjects (columns).
+"Met_GU"
+
+
+#' Group label.
+#'
+#' A dataset containing the group information (CIRR group: 0 and HCC group: 1).
+#'
+#' @format A dataframe with 1 row and 120 (subjects) columns.
+"Met_Group_GU"
+
+
+#' KEGG ID
+#'
+#' A dataset containing the KEGG ID for each metabolite.
+#'
+#' @format A dataframe with 39 KEGG ID as rows and 1 column.
+"Met_name_GU"
+
+
+
+#' P-values obtained by differential expression (DE) analysis.
+#'
+#' A dataset containing the p-value for each metabolite obtained through DE analysis.
+#'
+#' @format A data frame with 39 rows and 2 variables:
+#' \describe{
+#'   \item{KEGG.ID}{KEGG ID}
+#'   \item{p.value}{p-value}
+#' }
+"pvalue_M_GU"
+
+