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#1896 Unexpected behavior using column headers instead of column numbers

None
closed-fixed
nobody
2017-01-21
2017-01-20
Anonymous
No

gnuplot -e "load 'test.plt'" does not yield continuous lines for the three graphs as expected.

When using the last line instead of the next to last line gnuplot works as expected (continuous graphs are drawn).

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Discussion

  • Ethan Merritt

    Ethan Merritt - 2017-01-21

    Fixed in CVS for both 5.0 and 5.1

    The change affects plots "using (column(n))" "using ($n)" "using 'colheader_of_n'" and other simple expression evaluations that try to use a missing data column value. Until now the "missing" flag only worked for input via "using n", i.e. no implied expression evaluation.

    This was implied (and indeed intended) in the description of changes between version 4 and version 5. Unfortunately the 4->5 change only dealt with Inf, NaN, and junk data values, not the explicit missing data flag. No change to the documentation but now the program acts more closely to its description.

     
  • Ethan Merritt

    Ethan Merritt - 2017-01-21
    • status: open --> pending-fixed
    • Group: -->
    • Priority: -->
     
  • Ethan Merritt

    Ethan Merritt - 2017-03-17
    • Status: pending-fixed --> closed-fixed
     

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