Merge remote-tracking branch 'upstream/main' into dataframe-output

src/cosmicqc/analyze.py

@@ -32,6 +32,8 @@ def identify_outliers(
     Args:
         df: pd.DataFrame
             Data frame with converted output from CytoTable.
+        metadata_columns: List[str]
+            List of metadata columns that should be outputted with the outlier data.
         feature_thresholds: Dict[str, float]
             One of two options:
             A dictionary with the feature name(s) as the key(s) and their assigned
@@ -50,7 +52,7 @@ def identify_outliers(
             or not for use within other functions.
     """
 
-    outlier_df = df.copy()
+    outlier_df = df
 
     thresholds_name = (
         f"outlier_{feature_thresholds}"