replace last DATA_FOLDER with DATA_PATH

Author: amueller

02-supervised-learning.ipynb

@@ -2291,7 +2291,7 @@
    ],
    "source": [
     "import os\n",
-    "ram_prices = pd.read_csv(os.path.join(mglearn.datasets.DATA_FOLDER, \"ram_price.csv\"))\n",
+    "ram_prices = pd.read_csv(os.path.join(mglearn.datasets.DATA_PATH, \"ram_price.csv\"))\n",
     "\n",
     "plt.semilogy(ram_prices.date, ram_prices.price)\n",
     "plt.xlabel(\"Year\")\n",

04-representing-data-feature-engineering.ipynb

@@ -138,7 +138,7 @@
     "# The file has no headers naming the columns, so we pass header=None\n",
     "# and provide the column names explicitly in \"names\"\n",
     "data = pd.read_csv(\n",
-    "    os.path.join(mglearn.datasets.DATA_FOLDER, \"adult.data\"), header=None, index_col=False,\n",
+    "    os.path.join(mglearn.datasets.DATA_PATH, \"adult.data\"), header=None, index_col=False,\n",
     "    names=['age', 'workclass', 'fnlwgt', 'education',  'education-num',\n",
     "           'marital-status', 'occupation', 'relationship', 'race', 'gender',\n",
     "           'capital-gain', 'capital-loss', 'hours-per-week', 'native-country',\n",