--- a
+++ b/man/PPI.Rd
@@ -0,0 +1,25 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/PPI.R
+\name{PPI}
+\alias{PPI}
+\title{Defining protein-protein interactions (PPI) over a list of genes,}
+\usage{
+PPI(data, FileName = NULL, species = "9606")
+}
+\arguments{
+\item{data}{A gene list.}
+
+\item{FileName}{A string vector showing the name to be used to save the
+resulted table. If null, no file will be exported}
+
+\item{species}{The taxonomy name/id. Default is "9606" for Homo sapiens.}
+}
+\value{
+Either CSV files stored in the user's file system and its
+corresponding `data.frame` object in R or and R object containing that
+information.
+}
+\description{
+This function uses STRING-api. The outcome of STRING analysis
+  will be stored in comma-separated values files.
+}