Report from PharmaSUG 2014

Just getting back from PharmaSUG 2014 in San Diego.  The conference was great, both inside and outside.  The organizers ordered up some great weather for the Padres game and also for dinner on the flight deck of the Midway Carrier. Our focus here being on graphics, we were all extremely gratified by the presentations in […]

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Plot Layering for Bland-Altman Graph

Recently a user new to GTL and SG procedures asked how to create a Bland-Altman graph on the SAS Communities site.  He included an image of the resulting graph to indicate what he wanted,  I described to him how that graph can be created, but since he is new to the art […]

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A Better Combined AE - CM Graph

As promised, here is a better combined AE-CM graph, using some of the UI improvements suggested by our UI expert, Riley.  His suggestions helped to reduce the clutter in the graph, while still keeping all the features preferred by our users.  Click on the graphs for a higher resolution image. […]

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Report from PharmaSUG 2013

The PharmaSUG 2013 conference in Chicago this week was awesome.  From the perspective of graphics, there was great interest in using SG Procedures, Designer and GTL for building clinical graphs.  It was nice to see many papers by users on how they are using these tools for creating graphs on a daily […]

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Multiple Classifiers vs Small Multiples

Often we have the need to see the data by two different classifiers at the same time, as requested by a recent query on the SAS Communities page. In this example I have simulated a response over time for patients by study and treatment.  We want to create series plots […]

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Report from WUSS 2012

A week ago, SAS "wusses" got together in Long Beach, California for another successful WUSS conference.  Personally, I really enjoy all SAS user conferences as it gives me an opportunity to see the creative ways in which SAS users are exploiting our software. One such case was the paper "Power […]

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Risk tables, annotated or not

A key element of graphs used for analysis of safety data for clinical research is the inclusion of statistical data (or tables) about the study that are aligned with the x axis of the graph.  A common example of this comes from the paper "Graphical Approaches to the Analysis of […]

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LFT Panels

CTSPedia.org is a website of Knowledge Base for Clinical and Translational Research.  On this site you can find sample graphs for statistical analysis of safety data for Clinical Research.  Graphs included in this resource have been submitted by contributors, and include a graph for Liver Function for different tests by treatment. […]

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SAS Global Forum Monday update

On Friday before the conference, I presented a 1 day "developer led" seminar on SG Procedures and GTL, along with a discussion of new features for SAS 9.3.  The experience was very gratifying as all users were now using SAS 9.2, and some were using SAS 9.3.  We had a lively […]

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Distribution of Maximum LFT by Treatment

The graph showing the distribution of the maximum liver function test values by treatment for all participants in a study is commonly used for the analysis of safety data in clinical trials.   The data is often structured in multiple columns (one per treatment) as below on the left, or grouped by […]

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