<Li> Interaction techniques and architectures </Li> <Li> Visualization algorithms and techniques </Li> <P> Data presentation architecture (DPA) is a skill - set that seeks to identify, locate, manipulate, format and present data in such a way as to optimally communicate meaning and proper knowledge . </P> <P> Historically, the term data presentation architecture is attributed to Kelly Lautt: "Data Presentation Architecture (DPA) is a rarely applied skill set critical for the success and value of Business Intelligence . Data presentation architecture weds the science of numbers, data and statistics in discovering valuable information from data and making it usable, relevant and actionable with the arts of data visualization, communications, organizational psychology and change management in order to provide business intelligence solutions with the data scope, delivery timing, format and visualizations that will most effectively support and drive operational, tactical and strategic behaviour toward understood business (or organizational) goals . DPA is neither an IT nor a business skill set but exists as a separate field of expertise . Often confused with data visualization, data presentation architecture is a much broader skill set that includes determining what data on what schedule and in what exact format is to be presented, not just the best way to present data that has already been chosen . Data visualization skills are one element of DPA ." </P>

The number of data values included in a given bin of a data set is called