Programming the statistical procedures from SAS

How do I create charts with 2 Y axis using Proc SHEWHART

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How do I create charts with 2 Y axis using Proc SHEWHART

I want to created charts using Proc SHEWHART with 2 Y axises.  I want to have control chart with delta of two values say value A and value B which I will process for tests. Along with this delta I want to display value A and value B as an overlay with different scale on Y axis.

So charts will look like  - X axis time scale - date / time, Y Axis 1 - Delta (Value A - Value B), Y axis 2-  Plot Value A and Value B.

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Re: How do I create charts with 2 Y axis using Proc SHEWHART

As far as I know, this can't be done in PROC SHEWHART. You would have to use PROC GPLOT to get a 2nd vertical axis.

(I suppose if you wanted to do an awful lot of work, you could get PROC SHEWHART to show a 2nd vertical axis using the ANNOTATE feature, but I have never seen that done)

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