Java – How do I install Apache Mahout on Mac?

I’m new to Mahout. I want to install and try it. So far, I have installed and configured Maven3 and Java 1.6 on my Mac. My question is:

Do I have to install Hadoop firstly before installing Mahout? 

Some tutorials include installing Hadoop and some don’t, which confuses me. I know Mahout is built on top of Hadoop. But not all Mahout relies on Hadoop.

Can someone provide some useful detailed resources for installation?

http://chimpler.wordpress.com/2013/02/20/playing-with-the-mahout-recommendation-engine-on-a-hadoop-cluster/

http://chimpler.wordpress.com/2013/03/13/using-the-mahout-naive-bayes-classifier-to-automatically-classify-twitter-messages/

These 2 links helped me get up and running on OSX. Using Hadoop with Mahout isn’t absolutely necessary, but it’s almost certainly useful to gain experience with both if you plan to use it in a scalable system….