resetting dataframe for clarity

psteinb · psteinb · commit de9f6bd15c39 · 2020-06-02T16:03:22.000+02:00
diff --git a/doc/source/user_guide/indexing.rst b/doc/source/user_guide/indexing.rst
@@ -1880,6 +1880,7 @@ This is the correct access method:
    dfd
 
    # Setting a single item (recommended)
+   dfd = dfc.copy()
    dfd.loc[2, 'a'] = 11
    dfd
 
