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Data Visualization

Robert AllisonJuly 27, 2012 0

Finding patterns in big data with SAS/GRAPH

When working with "big data" you usually have too many points to view in a plot, and end up subsetting or summarizing the data. But now, in SAS 9.3, you have an alternative! For example, the following scatter plot of 10,000+ points is just a visual "blob": But using a new

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Data Visualization

Sanjay MatangeJuly 23, 2012 0

Butterfly plots

When comparing results by category and group, putting the items to be compared close together usually leads to a graph that is easier to decode. Take the case of the data (simulated) shown below. Here we have population by age group and sex. To compare the population by sex, it is

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Data Visualization

Sanjay MatangeJuly 15, 2012 0

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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