From d17f1958c2a2313b0daa023ef1136791a1df79e4 Mon Sep 17 00:00:00 2001
From: NelsonGon <gonzabato@hotmail.com>
Date: Mon, 6 Dec 2021 09:17:23 +0100
Subject: [PATCH] Sort decreasing only for DOSE YuLab-SMU/DOSE#58

---
 R/gsea.R | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/R/gsea.R b/R/gsea.R
index 99c43aa..0783cc0 100644
--- a/R/gsea.R
+++ b/R/gsea.R
@@ -162,8 +162,10 @@ GSEA_internal <- function(geneList,
                  ...) {
 
     by <- match.arg(by, c("fgsea", "DOSE"))
-    if (!is.sorted(geneList))
+    
+    if (all(!is.sorted(geneList), by == "DOSE")){
         stop("geneList should be a decreasing sorted vector...")
+    }
     if (by == 'fgsea') {
         .GSEA <- GSEA_fgsea
     } else {