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Graph builder

Hi,

I have a couple of questions about the graph builder in JMP 8. I'm a fairly new user of both JMP and this forum, so I apologise if this is the wrong place for it!

I am trying to use the graph builder to do wafer mapping (Fit X by Y) plots. I have two columns with Die X and Die Y positions, a column with a failure bin category (a nominal data set) and a column with a leakage current (a continuous data set). The data is also split into 25 wafers per lot.

I am using different colours to identify individual failure bins, or the leakage current (by grouping the continuous data).

My first question is: when I'm plotting the continuous data (which I put into the overlay area), I can only five different groupings (i.e. colours) in the legend, which are not evenly spaced. Is it possible to control (using JSL ideally) how many levels there are and how the levels are split? This is possible using the contour plot platform and I am currently using that as a stopgap, but the contour plot isn't ideal for this kind of application.

Secondly, when I group by wafer, it defaults to a maximum of four plots horizontally per row (which gives 7 rows with only 1 graph on the last row). Can I tell JMP to plot five graphs per row (which would give me a much more appealing 5 x 5 layout)?

I hope these questions make sense and that someone has some ideas!

Many thanks,

Matthew.

Re: Graph builder

Hi Matthew,

When you use a continuous variable for grouping, the ranges are determined by quantiles so that about the same number of observations are in each group. When I want more control, I make a new categorical column with just the ranges I want and use that as the grouping/overlay column.

For your other question, we don't have a way to customize the wrapping graphs per row. I will see if 8.0.1 can at least make a better choice for cases like 25.

Re: Graph builder

Hi Xan

thanks for the note. If it could be included in 8.0.1 (and the 64-bit Linux version of JMP 8, which we will be moving to when it's released) that would be great!

Matthew.

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