Removes matplotlib style warning

Author: Matheus Magrin

cookbook/Chapter 1 - Reading from a CSV.ipynb

@@ -13,7 +13,7 @@
     "import pandas as pd\n",
     "import matplotlib.pyplot as plt\n",
     "\n",
-    "pd.set_option('display.mpl_style', 'default') # Make the graphs a bit prettier\n",
+    "plt.style.use('ggplot') # Make the graphs a bit prettier\n",
     "plt.rcParams['figure.figsize'] = (15, 5)\n",
     "plt.rcParams['font.family'] = 'sans-serif'\n",
     "\n",

cookbook/Chapter 2 - Selecting data & finding the most common complaint type.ipynb

@@ -13,7 +13,7 @@
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "\n",
-    "pd.set_option('display.mpl_style', 'default')\n",
+    "plt.style.use('ggplot')\n",
     "plt.rcParams['figure.figsize'] = (15, 3)\n",
     "plt.rcParams['font.family'] = 'sans-serif'"
    ]

cookbook/Chapter 3 - Which borough has the most noise complaints (or, more selecting data).ipynb

@@ -14,7 +14,7 @@
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "\n",
-    "pd.set_option('display.mpl_style', 'default')\n",
+    "plt.style.use('ggplot')\n",
     "plt.rcParams['figure.figsize'] = (15, 3)\n",
     "plt.rcParams['font.family'] = 'sans-serif'"
    ]

cookbook/Chapter 4 - Find out on which weekday people bike the most with groupby and aggregate.ipynb

@@ -16,7 +16,7 @@
     "import numpy as np\n",
     "\n",
     "# Make the graphs a bit prettier, and bigger\n",
-    "pd.set_option('display.mpl_style', 'default')\n",
+    "plt.style.use('ggplot')\n",
     "plt.rcParams['figure.figsize'] = (15, 5)\n",
     "plt.rcParams['font.family'] = 'sans-serif'\n",
     "\n",