Creation of Dashboard with WAD!!

Hi Guys,

Does anyone has idea about dashboard requirements with <b>the speedometer chart item in WAD??</b>What are the steps to do?How to do steps or help with aby document??

It is a survey report for which i need to creta a classification with a score <2.0,

between 2.0 -->3.0,between 3.0 --> 4.0 .

Based on this classification, I need to create a dashboard & how do u link it to the portal??