Update dash_plotly_QC_scRNA.py

dash_plotly_QC_scRNA.py

@@ -376,7 +376,9 @@ def update_graph_and_pie_chart(batch_chosen, s_chosen, g2m_chosen, condition1_ch
 
     # Calculate the mean expression
     round_precision = 2
+    category_counts = dff.group_by(condition1_chosen).agg(pl.col(condition1_chosen).count().alias("count"))
     category_sums = dff.group_by(condition1_chosen).agg(pl.col(condition1_chosen).sum().alias("sum"))
+    total_count = len(dff)
     category_means = category_sums.select((pl.col("sum") / total_count).round(round_precision).alias("mean"))
 
 # Display the result