Syntax multiple plots with reference line calculated from variable

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Syntax multiple plots with reference line calculated from variable

Postby lightBV0 » Thu Feb 18, 2016 3:02 pm

I have a dataset with K subjects, all analyzed for L aspects, 2 parameters per aspect and the meanand difference of one of these 2 parameters.

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Adding grid lines

Grid lines can be added on the guide statement.  If a vertical line is to be added, the value at which it is to be placed is given in parentheses.  If a horizontal line is desired, an asterisk is given first in the parentheses, followed by a comma and then the value.  We have used the color option to distinguish between the grid lines.

  /GRAPHDATASET NAME="graphdataset" VARIABLES=read write
SOURCE: s=userSource(id("graphdataset"))
DATA: read=col(source(s), name("read"))
DATA: write=col(source(s), name("write"))
GUIDE: form.line(position(*,60), color(
GUIDE: form.line(position(*, 65), color(
ELEMENT: point(position(read*write))
[taken from ... amples.htm]
I am able to create scatterplots with reference lines, but I would like to use a variable value in the dataset to replace the "60" or "65" in the code above. How can I do this???

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