Technical Tips and Training

Welcome to the NSSP Technical Tips page, where you’ll find helpful tips, tricks, and training for working with BioSense Platform tools such as ESSENCE, Access & Management Center, and RStudio Workbench.


  • ESSENCE Online Training
    Six self-paced modules instruct and assess your understanding of concepts being presented. Topics include overviews of ESSENCE, syndromic surveillance, basic and advanced ESSENCE system components, ESSENCE Chief Complaint Processor, and ESSENCE alerting algorithms. Learn how to perform routine tasks such as create queries and analyze data using multiple visualization types.
  • ESSENCE Training on Using Queries, webinar led by Wayne Loschen of Johns Hopkins University Applied Physics Laboratory.
  • NSSP ESSENCE Training at PHI Conference [PDF]

Query Development


SAS Studio