diff --git a/analysis.py b/analysis.py
index ef8c9d6..99bc3af 100644
--- a/analysis.py
+++ b/analysis.py
@@ -1,3 +1,4 @@
+import argparse
 import os
 
 import matplotlib.pyplot as plt
@@ -174,7 +175,7 @@
                     markersize=4,
                     label=f"Paper {paper}",
                 )
-                ax.set_ylim(0, 3)  # Set y-axis limit for better visibility
+                # ax.set_ylim(0, 3)  # Set y-axis limit for better visibility
         ax.legend()
     fig.savefig("out_degradation_eachTCC.png", dpi=300, bbox_inches="tight")
 
@@ -201,5 +202,18 @@
 
 
 if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Analyze and visualize color degradation.")
+    parser.add_argument(
+        "csvfile",
+        help="Measured CSV file paths",
+    )
+    args = parser.parse_args()
+    if not args.csvfile.endswith(".csv"):
+        print("Please provide the path to the CSV file.")
+        exit(1)
+    print("datadir:", os.path.dirname(args.csvfile))
+    data_dir = os.path.dirname(args.csvfile)
+
+    print("Starting analysis...")
     visualize()
     print("All done.")
diff --git a/requirements.txt b/requirements.txt
index 7de02f0..ca6a611 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 pandas
 matplotlib
 numpy
+argparse