From 3b7032a4f21ae597662682254afca1bbdbbcf6d1 Mon Sep 17 00:00:00 2001
From: Chris Lloyd <chrislloyd403@gmail.com>
Date: Wed, 26 Jun 2024 03:19:02 +0100
Subject: [PATCH] Don't check for donors here, use the strategy to check (#338)

---
 src/Transformers/MissingDataImputer.php | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/Transformers/MissingDataImputer.php b/src/Transformers/MissingDataImputer.php
index 415ac90d1..cb4304a52 100644
--- a/src/Transformers/MissingDataImputer.php
+++ b/src/Transformers/MissingDataImputer.php
@@ -157,11 +157,6 @@ public function fit(Dataset $dataset) : void
                 continue;
             }
 
-            if (empty($donors)) {
-                throw new InvalidArgumentException('Dataset must contain'
-                    . ' at least 1 donor per feature column.');
-            }
-
             $strategy->fit($donors);
 
             $this->strategies[$column] = $strategy;