Did you know that PQ Systems maintains a robust knowledge base online? It is a repository of common problems and solutions related to using our software and practicing continuous quality improvement. If you are an SQCpack, CHARTrunner, or GAGEpack user, you might just find a solution to your problem here:
http://www.pqsystems.com/kb/activekb/
In a recently-added article, Craig Newland, addresses how to count or group data that has been accumulated during certain periods of time. If you use CHARTrunner, visit: http://www.pqsystems.com/kb/activekb/questions/543/CR%3A+Data+grouping+tardiness to learn how to group your data to make your control chart analysis more telling.
