Add ratings to an existing Ruby On Rails Application

bhargav desai
2013-01-04T08:45:41Z

Hi,

    I am trying to add a ratings feature to an existing Ruby On Rails
application. The application runs on Ruby 1.8.7 and rails 2.3.5
versions.
Do i need to install any specific gem for it ? Or any specific procedure
for it ?

Please site an example if possible.

Thanks,
Bhargav