wrap up ch8

Author: rasbt

.gitignore

@@ -18,6 +18,12 @@ ch12/t10k-labels-idx1-ubyte.gz
 ch12/train-images-idx3-ubyte.gz
 ch12/train-labels-idx1-ubyte.gz
 
+# Ch18 data files
+ch08/aclImdb/
+ch08/aclImdb_v1.tar.gz
+ch08/movie_data.csv
+
+# Other 
 *checkpoint
 *tfevents*
 *.data-00000-of-00001

ch08/ch08.ipynb

@@ -1242,7 +1242,7 @@
     "y = [np.random.randint(3) for i in range(25)]\n",
     "X = (y + np.random.randn(25)).reshape(-1, 1)\n",
     "\n",
-    "cv5_idx = list(StratifiedKFold(n_splits=5, shuffle=False, random_state=0).split(X, y))\n",
+    "cv5_idx = list(StratifiedKFold(n_splits=5, shuffle=False).split(X, y))\n",
     "    \n",
     "lr = LogisticRegression(random_state=123, multi_class='ovr', solver='lbfgs')\n",
     "cross_val_score(lr, X, y, cv=cv5_idx)"