From 937acbc21820c4be630e5ae6594e71d490190df6 Mon Sep 17 00:00:00 2001
From: Pietro Vertechi <pietro.vertechi@neuro.fchampalimaud.org>
Date: Sat, 25 Aug 2018 19:04:42 +0100
Subject: [PATCH] sort x axis in group_as_matrix

---
 src/series.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/series.jl b/src/series.jl
index 702c210a..52e8c1ec 100644
--- a/src/series.jl
+++ b/src/series.jl
@@ -636,7 +636,7 @@ group_as_matrix(t) = false
             x = g.args[1]
             last_args = g.args[2:end]
         end
-        x_u = unique(x)
+        x_u = unique(sort(x))
         x_ind = Dict(zip(x_u, 1:length(x_u)))
         for (key,val) in plotattributes
             if splittable_kw(key, val, lengthGroup)