charticulator callout

3-Data-Visualization/12-visualization-proportions/README.md

@@ -6,6 +6,8 @@ In this lesson, you will use a different nature-focused dataset to visualize pro
 - Donut charts 🍩
 - Waffle charts 🧇
 
+> 💡 A very interesting project called [Charticulator](https://charticulator.com) by Microsoft Research offers a free drag and drop interface for data visualizations. In one of their tutorials they also use this mushroom dataset! So you can explore the data and learn the library at the same time: https://charticulator.com/tutorials/tutorial4.html
+
 ## Pre-Lecture Quiz
 
 [Pre-lecture quiz]()

3-Data-Visualization/13-visualization-relationships/README.md

@@ -81,13 +81,15 @@ You can see the size of the dots gradually increasing.
 
 ![scatterplot 3](images/scatter3.png)
 
-Is this a simple case of supply and demand? Is there less honey available for purchase year over year, and thus the price increases?
+Is this a simple case of supply and demand? Due to factors such as climate change and colony collapse, is there less honey available for purchase year over year, and thus the price increases?
 
 To discover a correlation between price, number of colonies, and yield per colony, let's explore some line charts.
 
 
 
 
+
+
 ## Multi-line Plots