this simple question (road block) @Devindra  is what we all have to deal with.  It is part of the requirements and development process that takes somewhere around 90-95% of our time before we start coding.   You did not explain what you fully needed with all of the details about the time series nor the comparing of data results over time. please be as specific as possible in your needs, so that those replying have the details they need to understand the problem you are facing.   ... View more