Merge pull request #7 from kozo2/patch-2

retrieve binary.csv with open-uri

Author: v0dro

Data Analysis/Logistic Regression with daru and statsample-glm.ipynb

@@ -123,6 +123,9 @@
     }
    ],
    "source": [
+    "require 'open-uri'\n",
+    "content = open('http://www.ats.ucla.edu/stat/data/binary.csv')\n",
+    "File.write('binary.csv', content.read)\n",
     "df = Daru::DataFrame.from_csv \"binary.csv\""
    ]
   },