I filter my data using a date filter shown below.Then I create a Single Value Chart for my sales index using filtered data.What I want to do is to create a quarter-to-quarter ratio and show it in the charts using comparison settings.For example, in t...

Our company decide to use Looker to build up our BI dashboards.We have several planned dashboards that need to be produced according to the following process: 1.extract data according to the filters of the dashboard ; 2. use Python script to process ...