I've been working on a new book about Simulating Data with SAS. In researching the chapter on simulation of multivariate data, I've noticed that the probability density function (PDF) of multivariate distributions is often specified in a matrix form. Consequently, the multivariate density can usually be computed by using the
Spark lines, made popular by Edward Tufte, provide a way to visualize trends in a concise space, often inline with the rest of the narrative or data. Previously, I posted an article on Spark Plots in which I created different plot types, some of which included multiple graphs and data in each row. For such
Earlier this month SAS announced some really big news: DataFlux®, which has delivered market-leading data management solutions to customers for more than a decade, is now fully integrated into the SAS organization. The combination of the two brands helps customers build an integrated information management strategy supporting data management and
