diff --git a/linked-views.Rmd b/linked-views.Rmd
index 822fcf0..2d993e5 100644
--- a/linked-views.Rmd
+++ b/linked-views.Rmd
@@ -65,7 +65,7 @@ base <- plot_ly(tx, color = I("black")) %>%
   group_by(city)
 
 # create a time series of median house price
-base %>%
+time_series <- base %>%
   group_by(city) %>%
   add_lines(x = ~date, y = ~median)
 ```