From 58647f903d2a463bcc3306bf84ade8121a223c91 Mon Sep 17 00:00:00 2001
From: "Alex H. Room" <69592136+alexhroom@users.noreply.github.com>
Date: Tue, 29 Apr 2025 10:58:55 +0100
Subject: [PATCH] give `skip` a minimum value

---
 RATapi/utils/plotting.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/RATapi/utils/plotting.py b/RATapi/utils/plotting.py
index 12ab5068..8301dea4 100644
--- a/RATapi/utils/plotting.py
+++ b/RATapi/utils/plotting.py
@@ -833,7 +833,9 @@ def plot_chain(
     """
     chain = results.chain
     nsimulations, nplots = chain.shape
-    skip = floor(nsimulations / maxpoints)  # to evenly distribute points plotted
+    # skip is to evenly distribute points plotted
+    # all points will be plotted if maxpoints < nsimulations
+    skip = max(floor(nsimulations / maxpoints), 1)
 
     # convert names to indices if given
     fitname_to_index = partial(name_to_index, names=results.fitNames)