add a couple of jupyter notebook and d3 resources

mattmakai · mattmakai · commit 8db0c0b47c86 · 2019-04-11T07:58:40.000-04:00
diff --git a/content/pages/02-development-environments/06-jupyter-notebook.markdown b/content/pages/02-development-environments/06-jupyter-notebook.markdown
@@ -74,6 +74,11 @@ your own productive workflow.
   data science notebook projects such as MATLAB and Mathematica to set the stage 
   for IPython and Jupyter's creation.
 
+* [How to Version Control Jupyter Notebooks](https://nextjournal.com/schmudde/how-to-version-control-jupyter)
+  explains how Jupyter Notebooks are stored in JSON, the issues with that
+  format for [source control](/source-control.html) and how to get
+  around the problem.
+
 
 ### Example Notebooks
 Example Notebooks are easy to fire up and see how other people are working.
diff --git a/content/pages/03-data/20-d3-js.markdown b/content/pages/03-data/20-d3-js.markdown
@@ -84,6 +84,10 @@ from scratch.
   several charts to show how to build a dashboard based on public JSON
   data.
 
+* [d3-regression](https://observablehq.com/@harrystevens/introducing-d3-regression)
+  is a module for calculating statistical regressions from two-dimensionala
+  data.
+
 
 ### D3 ecosystem
 * [The trouble with D3](https://medium.com/@enjalot/the-trouble-with-d3-4a84f7de011f)
