The Political Derby Composite Poll is a tool that takes the most recent major polls and weights their results based on poll age, sample type, and margin of error each day using a proprietary formula. Unlike other poll compilations, this is not a simple average. The polls that make up the PD Composite are well-known reputable national polls who sample “likely primary voters” and “registered voters”, as opposed to only “adults, including, but not limited to: NBC News/Wall Street Journal, Pew Research, Quinnipiac University, and Rasmussen Reports... The PD Composite will be updated in a regular post that will run...