diff --git a/ersilia/core/tracking.py b/ersilia/core/tracking.py
index d3e7b272c..7ac50550c 100644
--- a/ersilia/core/tracking.py
+++ b/ersilia/core/tracking.py
@@ -3,6 +3,11 @@
 import pandas as pd
 
 
+def read_csv(file):
+    # reads csv file and returns Pandas dataframe
+    return pd.read_csv(file)
+
+
 class RunTracker:
     """
     This class will be responsible for tracking model runs. It calculates the desired metadata based on a model's
@@ -11,6 +16,12 @@ class RunTracker:
     NOTE: Currently, the Splunk connection is not set up. For now, we will print tracking results to the console.
     """
 
+    def sample_df(self, df, num_rows, num_cols):
+        """
+        Returns a sample of the dataframe, with the specified number of rows and columns.
+        """
+        return df.sample(num_rows, axis=0).sample(num_cols, axis=1)
+
     def __init__(self):
         self.time_start = None
 
@@ -18,20 +29,16 @@ def __init__(self):
     def start_tracking(self):
         self.time_start = datetime.now()
 
-    def read_csv(self, file):
-        # reads csv file and returns Pandas dataframe
-        return pd.read_csv(file)
-
     def track(self, input, result, meta):
         """
         Tracks the results after a model run.
         """
 
         print("Run input file:", input)
-        print(self.read_csv(input))
+        print(read_csv(input))
 
         print("Run output file:", result)
-        print(self.read_csv(result))
+        print(read_csv(result))
 
         print("Model metadata:", meta)