Merge pull request #11 from CausalInferenceLab/10-awesome-causal-inference-pythonmainatesdid

sdid 구현 준비 (close #10)

Author: myeongseok-gwon

book/ate/sdid.ipynb

@@ -147,6 +147,15 @@
     "cigar.query(\"california == True\").head()"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# implement detail"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},