This documentation will take you through all of the features of the Google Analytics plugin as well as how to install, configure and get the most out of the free and pro version of the plugin.
This is by far the easiest way to add Google Analytics to a Joomla website without needed to alter any code in a template.
Many of the template frameworks such as Gantry, Warp, T3 and many more make it complex to find what to modify and where to add the Google Analytics code into the template, this plugin avoids those issues by adding in the code dynamicly when the website is being rendered.
An overview video
This video will take you through the basics of the how to install Google Analytics for Joomla via the FREE plugin. Video runs for 9:36 minutes and takes you through all the steps.