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I have a couple of question in regards to LaTeX ability to overlay text on a graph at a specific point. The background: I have a time-series plot that I load in to LaTeX using a txt file and the pgfplots package.

  1. Is it possible to display the y-coordinate for a selected few x-coordinates in a graph and not for any other x-coordinates?
  2. Is it possible to display and overlay text , above the plot-line, at a given x-coordinate?
  3. If the second question is not possible, then how could I overlay text on top of a graph at a given part of the graph, not necessarily at a specific x-coordinate observation.

closed as unclear what you're asking by Paul Gessler, egreg, Joseph Wright Feb 7 '15 at 21:55

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