diff --git a/.vscode/settings.json b/.vscode/settings.json
index 5fbc413..6e379b8 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,4 +1,4 @@
 {
-  "python.pythonPath": "/Users/morteza/miniconda3/bin/python",
+  "python.pythonPath": "/Users/morteza/miniconda3/envs/py3/bin/python",
   "python.condaPath": "~/miniconda3/bin/conda"
 }
\ No newline at end of file

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 5fbc413..6e379b8 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,4 +1,4 @@
 {
-  "python.pythonPath": "/Users/morteza/miniconda3/bin/python",
+  "python.pythonPath": "/Users/morteza/miniconda3/envs/py3/bin/python",
   "python.condaPath": "~/miniconda3/bin/conda"
 }
\ No newline at end of file
diff --git a/bambi_playground.py b/bambi_playground.py
new file mode 100644
index 0000000..3c6161f
--- /dev/null
+++ b/bambi_playground.py
@@ -0,0 +1,14 @@
+
+#%%
+
+
+from bambi import Model
+import pandas as pd
+# from bambi import Model
+
+data = pd.DataFrame({'a':[1,9,8,12,2,3], 'b': [8,1,1,3,1,1], 'c': [3,4,1,9,1,11]})
+
+model = Model('a ~ b * c', data)
+model.fit()
+
+model.graph()
\ No newline at end of file

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 5fbc413..6e379b8 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,4 +1,4 @@
 {
-  "python.pythonPath": "/Users/morteza/miniconda3/bin/python",
+  "python.pythonPath": "/Users/morteza/miniconda3/envs/py3/bin/python",
   "python.condaPath": "~/miniconda3/bin/conda"
 }
\ No newline at end of file
diff --git a/bambi_playground.py b/bambi_playground.py
new file mode 100644
index 0000000..3c6161f
--- /dev/null
+++ b/bambi_playground.py
@@ -0,0 +1,14 @@
+
+#%%
+
+
+from bambi import Model
+import pandas as pd
+# from bambi import Model
+
+data = pd.DataFrame({'a':[1,9,8,12,2,3], 'b': [8,1,1,3,1,1], 'c': [3,4,1,9,1,11]})
+
+model = Model('a ~ b * c', data)
+model.fit()
+
+model.graph()
\ No newline at end of file
diff --git a/bambi_playground_diagram.png b/bambi_playground_diagram.png
new file mode 100644
index 0000000..cf393d0
--- /dev/null
+++ b/bambi_playground_diagram.png
Binary files differ