update growth trends dygraph

dashboard.Rmd

@@ -918,11 +918,27 @@ fillCol(
 )
 
 output$test_dy <- renderDygraph({
-  test_ts <- test_query()
+  req(growth_counties)
 
-  dygraph(test_ts, main = "Normalized Aggregate Growth") %>%
-    dySeries("population_index", label = "Population") %>%
-    dySeries("housing_index", label = "Housing Units") %>%
+  aggregated_growth <- growth_counties() %>%
+    st_drop_geometry() %>%
+    group_by(year) %>%
+    summarize(
+      avg_normalized_population = mean(normalized_population, na.rm = TRUE),
+      avg_normalized_housing = mean(normalized_housing, na.rm = TRUE)
+    ) %>%
+    mutate(year = as.Date(paste0(year, "-01-01")))
+
+  result <- aggregated_growth %>%
+    select(year, avg_normalized_population, avg_normalized_housing)
+
+  result_ts <- result %>%
+    select(-year) %>%
+    xts(order.by = result$year)
+
+  dygraph(result_ts, main = "Normalized Growth") %>%
+    dySeries("avg_normalized_population", label = "Population", color = "red") %>%
+    dySeries("avg_normalized_housing", label = "Housing Units", color = "blue") %>%
     dyRangeSelector()
 })