add copy true to protein profile df

MannLabs · Apr 3, 2024 · 69c3ad0 · 69c3ad0
1 parent 47e167f
commit 69c3ad0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/directlfq/normalization.py b/directlfq/normalization.py
@@ -225,7 +225,7 @@ def normalize_dataframe_between_samples(ion_dataframe):
     return df_c_normed
 
 def normalize_ion_profiles(protein_profile_df):
-    protein_profile_numpy = protein_profile_df.to_numpy()
+    protein_profile_numpy = protein_profile_df.to_numpy(copy = True)
     sample2shift = get_normfacts(protein_profile_numpy)
     df_normed = pd.DataFrame(apply_sampleshifts(protein_profile_numpy, sample2shift), index = protein_profile_df.index, columns = protein_profile_df.columns)
     return df_normed