This article contains supporting information for the 2018 SAS Global Forum paper: Just Enough SAS® Cloud Analytic Services: CAS Actions for SAS® Visual Analytics Report Developers. This paper focuses on teaching the CAS Actions and in-memory data manipulation techniques needed by developers that are creating reports on the SAS Visual Analytics Platform.
SAS Visual Analytics includes all of the point-and-click functionality required to load data, manage data, and perform other back-end work necessary to make SAS Visual Analytics visualizations efficient and effective. But there are a handful of critical tasks that are sometimes just easier to do with a few lines of code, especially if your end goal is to automate that that process. While there is a substantial and growing codebase for CAS Actions and SAS Viya procedures, SAS Visual Analytics report developers need to focus on the creation and implementation of reports. What we need is just enough CAS code to simplify the back-end work. This paper presents some of the most common, most useful CAS actions that can be run from any SAS Viya powered code window, including the SAS Studio interface. These bare bones code examples include: loading a data set to a CAS server, using CAS actions to transform data from a “wide” to a “tall” structure, and other formatting operations that make data reporting-ready. The paper demonstrates, using minimal code, how the scored output of a Viya-based model can be lifted into CAS and made ready for SAS Visual Analytics reporting. Finally, the paper describes exactly how coded back-end actions affect the SAS Visual Analytics platform, including how to verify that back-end processes are working and ensure SAS Visual Analytics settings for refresh and automated data re-load are set to take advantage of the automated back-end processes implemented in code.
The PDF version of the paper can be found here:
Several examples CAS actions and how to interact with CAS dataset within SAS Viya are included in the paper.
These code examples are attached to this post and descriptions of each program is listed below:
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