Data visualization with SAS programming

color selection in proc gchart

Posts: 74

color selection in proc gchart

is it ever possible to associate the color to a treatment group but NOT using treatment group as 'group' or 'subgroup' to draw bar chart? in fact the treatment group will appear totally randomly, but I want to use a special color to associate with a treatment group.

SAS Employee
Posts: 963

Re: color selection in proc gchart

Do you have an example of what you'd like your graph to look like, and/or what your data is like?

Posts: 1,042

Re: color selection in proc gchart

It will be easier with SAS 9.3 SGProcedures or GTL, as you can create an independent DiscreteAttributesMap, and use that to color the bars.  The colors are applied by value of the variable, so you reliably get Drug A to be Blue, regardless of its position in the data.  If the value is numeric, you can also use the RangeAttributesMap (GTL).

Depending on what you want to do, you can use VBAR, VBARPARM or HIGHLOW plot as they have different features.  If you want to avoid summarization by the group variable, then VBARPARM or HIGHLOW will be more suitable.

This is likely doable using SAS 9.2, with a bit more custom coding.

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