Take a look at this tutorial if you want to exclude/include particular items in Checkboxes, Radio, and Select filters.
How to Line Filters Up
Continue reading this tutorial to learn how to place the Checkboxes, Check Range, and Radio filter options in horizontal order.
How to Filter Events in the Calendar Widget with the Date Range Filter
This tutorial explains what steps you have to take to filter events from the Calendar widget with the help of JetSmartFilters and JetEngine plugins.