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+#' INDEED: A network-based method for cacner biomarker discovery.
+#'
+#' The INDEED R package provides important functions as shown below:
+#' non_partial_cor(), select_rho_partial(), partial_cor(), and network_display().
+#'
+#' @section non_partial_cor function:
+#' non_partial_cor function performs typical correlation analysis
+#' based on user input data, class label, p-value, sample id,
+#' number of permutations, and the method (default pearson)
+#' p value is optional,
+#' the result of score table and differential network will be returned
+#'
+#' @section select_rho_partial function:
+#' select_rho_partial function preprocesses data for partical correlation analysis,
+#' the result contains list of preprocessed data and rho values and
+#' error plot for user to choose desired rho value for graphical lasso
+#'
+#' @section partial_cor function:
+#' partial_cor function performs partical correlation analysis
+#' based on user input preprocessed list from select_rho_partial step
+#' and the rho choosing method or values of their choice
+#' and number of permutations (default 1000), p-value is optional,
+#' the result of score table and differential network will be returned
+#'
+#' @section network_display function:
+#' A function to assist in the network visualization of the result from INDEED functions 
+#' non_partial_cor() and patial_cor().
+#'
+#' @docType package
+#' @name INDEED
+NULL