Data. Our industry really loves that word, making it seem like the whole world revolves around it. We certainly enjoy revolving a lot of words around it. We put words like master, big, and meta before it, and words like management, quality, and governance after it. This spins out disciplines
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Data needs a Copernican Revolution
SAS Environment Manager Data Mart—the heart of the Service Management Architecture
Several new capabilities and components are available in SAS Environment Manager 2.4, the web-based administration solution for a SAS environment. For me, the most important enhancement is probably the SAS Environment Manager Service Management Architecture Framework, which provides features and functions that enable SAS Environment Manager to fit into a
The Wishart distribution: Covariance matrices for multivariate normal data
I've written about how to generate a sample from a multivariate normal (MVN) distribution in SAS by using the RANDNORMAL function in SAS/IML software. Last week a SAS/IML programmer showed me a program that simulated MVN data and computed the resulting covariance matrix for each simulated sample. The purpose of