conclusions

BAR.md

@@ -512,3 +512,7 @@ svg {
 ```
 
 ![](https://i.imgur.com/USIPF0A.png)
+
+## Conclusion
+
+In this chapter we learned how to use AJAX to make an asynchronous request that will populate a bar graph.  In the next chapter we'll create a pie chart that animates when you remove sections from it.

BUILD.md

@@ -1048,3 +1048,8 @@ And lastly, adjust css:
 ```
 
 ![](https://i.imgur.com/t6BKuiz.png)
+
+
+## Conclusion
+
+In this chapter we've learned the basics of D3 and created a fully interactive scatter plot.  In the next chapter we'll learn how to use AJAX to make an asynchronous request that will populate a bar graph.

FORCE_DIRECTED_GRAPH.md

@@ -263,3 +263,7 @@ d3.forceSimulation()
 Finally, our graph looks like this:
 
 ![](https://i.imgur.com/1w8Po1b.png)
+
+## Conclusion
+
+In this chapter we used D3 to create a graph that visualizes relationships between various nodes of data.  In the next chapter we'll cover how to create a map from GeoJSON data.

MAPS.md

@@ -209,3 +209,7 @@ d3.selectAll('path').attr('d', dAttributeFunction);
 `geoPath()` generates the function that we'll use for the `d` attribute, and `projection(worldProjection)` tells it to use the `worldProjection` var created earlier so that the `path` elements appear as an equirectangular projection
 
 ![](https://i.imgur.com/hX7hOoB.png)
+
+## Conclusion
+
+In this section we've covered how to use D3 to create a projection and render GeoJSON data as a map.  Congratulations!  You've made it to the end of this book.  No go off and create amazing visualizations.

PIE.md

@@ -436,3 +436,7 @@ path.on('click', function(clickedDatum, clickedIndex){
 Now, when we click the orange segment, the donut closes smoothly:
 
 ![](https://i.imgur.com/gh8lnEN.png)
+
+## Conclusion
+
+In this chapter we create a pie chart that animates when you remove sections from it.  In the next chapter we will use D3 to create a graph that visualizes relationships between various nodes of data.

SVG.md

@@ -450,3 +450,7 @@ Play with the values here: http://codepen.io/lingtalfi/pen/yaLWJG
 ### Documentation
 
 https://developer.mozilla.org/en-US/docs/Web/SVG/Element
+
+## Conclusion
+
+Now that we've covered the basics of SVG, we're ready to continue on to learn how D3 can be used to modify these elements.