with histo

app.py

@@ -102,18 +102,28 @@ bar_chart = (
 )
 
 
-box = (
+# box = (
+#     alt.Chart(df_small)
+#     .mark_boxplot(size=40)
+#     .encode(
+#         x=alt.X("Agency:N", title=""),
+#         y=alt.Y("YTD Gross:Q", title="Salary Distribution"),
+#         opacity=alt.condition(select_bar,alt.value(1),alt.value(0)),
+#         color=alt.value("#4C78A8")
+#     )  
+#     .properties(width=1000, height=800)
+# )
+hist = (
     alt.Chart(df_small)
-    .mark_boxplot(size=40)
+    .mark_bar(opacity=0.7)
     .encode(
-        x=alt.X("Agency:N", title=""),
-        y=alt.Y("YTD Gross:Q", title="Salary Distribution"),
-        opacity=alt.condition(select_bar,alt.value(1),alt.value(0)),
+        x=alt.X("YTD Gross:Q", bin=True, title="YTD Gross (binned)"),
+        y=alt.Y("count()", title="Count"),
         color=alt.value("#4C78A8")
-    )  
-    .properties(width=1000, height=800)
+    )
+    .transform_filter(select_bar)  
+    .properties(width=400, height=300)
 )
 
-
-dashboard = bar_chart & box
+dashboard = bar_chart & hist
 dashboard