fix: book 목차

Author: jhkimon

book/_toc.yml

@@ -18,4 +18,10 @@ parts:
       sections:
       - file: cate_and_policy/parametric_cate.ipynb
       - file: cate_and_policy/nonparametric_cate.ipynb
-      - file: cate_and_policy/policy_learning.ipynb
+      - file: cate_and_policy/policy_learning.ipynb
+      - file: cate_and_policy/iv.ipynb
+        title: CATE with Instrumental Variables
+      - file: cate_and_policy/cate_with_nn.ipynb
+        title: CATE with Neural Networks
+      - file: cate_and_policy/interpretability.ipynb
+        title: CATE Interpretability

book/cate_and_policy/iv.ipynb

@@ -1,5 +1,13 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "d98bf0d4",
+   "metadata": {},
+   "source": [
+    "# IV (Instrument Variable)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "ce4e72cc",