The scikit-learn package in Python is arguably the most comprehensive machine learning package among all platforms that incorporates an extensive list of machine learning algorithms. It is also considered to be faster compared to R, and is the tool of choice for various enterprise organizations. The following screenshot shows the web page from which we can download the scikit-learn package:

A commercially supported enterprise version of Python that comes pre-configured with useful machine learning and data mining packages is Anaconda, available from Continuum Analytics. A cloud version of Anaconda called Anaconda Cloud allows new users to start leveraging the features of Anaconda Python without the overhead of downloading and installing it separately.