diff --git a/fedot/core/data/data.py b/fedot/core/data/data.py
index c8f39e9392..eb09a08ea8 100644
--- a/fedot/core/data/data.py
+++ b/fedot/core/data/data.py
@@ -719,6 +719,9 @@ def __setitem__(self, key, value):
     def __len__(self):
         return self._shape[0] if self._columns else 0
 
+    def copy(self):
+        return self._columns.copy()
+
     @property
     def shape(self):
         return self._shape