added example for loading graphs using gml or dot

2018-10-07 20:04:15 +05:30 · 2018-10-07 20:04:15 +05:30 · a5c7320ae4
--- a/docs/source/do_why_estimation_methods.ipynb
+++ b/docs/source/do_why_estimation_methods.ipynb
--- a/docs/source/do_why_simple_example.ipynb
+++ b/docs/source/do_why_simple_example.ipynb
--- a/docs/source/example_graphs/simple_graph_example.dot
+++ b/docs/source/example_graphs/simple_graph_example.dot
@ -0,0 +1 @@
+digraph G {Z -> X;Z -> Y;X -> Y;}
--- a/docs/source/example_graphs/simple_graph_example.gml
+++ b/docs/source/example_graphs/simple_graph_example.gml
@ -0,0 +1,9 @@
+graph[
+    directed 1
+    node[ id "Z" label "Z"]
+    node[ id "X" label "X"]
+    node[ id "Y" label "Y"]
+    edge[source "Z" target "X"]
+    edge[source "Z" target "Y"]
+    edge[source "X" target "Y"]
+]
--- a/docs/source/load_graph_example.ipynb
+++ b/docs/source/load_graph_example.ipynb
--- a/dowhy/datasets.py
+++ b/dowhy/datasets.py
@ -68,7 +68,7 @@ def linear_dataset(beta, num_common_causes, num_samples, num_instruments=0,
    dot_graph = dot_graph + " ".join([v + "-> " + outcome + ";" for v in common_causes])
    dot_graph = dot_graph + " ".join([v + "-> " + treatment + ";" for v in instruments])
    dot_graph = dot_graph + "}"
-    gml_graph = ('graph['
+    gml_graph = ('graph[directed 1'
                 'node[ id "{0}" label "{0}"]'
                 'node[ id "{1}" label "{1}"]'
                 'node[ id "{2}" label "{2}"]'