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@@ -630,7 +630,7 @@ __Note:__ searching for ‘@’ will return all Twitter accounts listed on this
 -   [linkpred](https://github.com/rafguns/linkpred) - Assess the likelihood of potential links in a future snapshot of a network.
 -   [metaknowledge](http://networkslab.org/metaknowledge/) - Python package to turn bibliometrics data into authorship and citation networks.
 -   [networkx](http://networkx.github.io/) - Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
-    -   [Implementing an ERGM from Scratch in Python](http://davidmasad.com/blog/ergms-from-scratch/), using networkx and numpy (2014).
+    -   [Implementing an ERGM from Scratch in Python](https://gist.github.com/dmasad/8509304), using networkx and numpy (2014).
     -   [nxviz](https://github.com/ericmjl/nxviz/) - Visualization package for NetworkX.
 -   [npartite](https://github.com/ike002jp/npartite) - Python algorithms for community detection in n-partite networks.
 -   [PyGraphistry](https://github.com/graphistry/pygraphistry) - Python library to extract, transform, and visually explore big graphs.