[pstricks] \readdata, \listplot suggestion

Patrice MÉGRET Patrice.MEGRET at umons.ac.be
Sun Nov 30 11:00:52 CET 2014

Dear Herbert,

With readdata and listplot it is possible to trace graph from data exported from Excel, ...

As explained in the doc, the data are like this
A1, B1,C1

and using plotNo=, ... we can do a lot with our data.

It seems that if a data is missing as in the second line below
A1, B1,C1
the plot will be wrong.

Would it possible to detect missing data and plot nothing so thatwith plotstyle=dots the graph would have a hole indicating that data are missing.
Of course with plotstyle=line, cspline, curve, ... something will the traced that would probably be wrong.

Best regards,

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