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This is a little bit different from the case of reusing boilerplate text.

Say one has done a series of experiments (either real or "virtual") to produce a set of results. Because the results are inconclusive as to the cause of certain effects, an additional, much larger set of experiments were performed under a series of different conditions to complete the "factorial matrix" of possibilities (all possible states of factor X crossed with all possible states of factor Y).

However, because the original results are valid, and represent unique "cells" in the factorial matrix, is it necessary to rerun the experiments for a future publication, or is it just a matter of obtaining journal permission for the re-use of figures and tables associated with the presentation of the data? As an example, am I violating copyright if I add a new set of curves to a figure which contains the same data as before?

I ask in part because there was just today a retraction based on reuse of figures, and I'd rather not run afoul of guidelines.

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What? Do journals hold copyright on data? Or just on the presentation of that data? –  JeffE Aug 20 '12 at 16:34
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Data collected the same way would be the same data. Data are facts, which are generally not copyrightable. –  Ben Norris Aug 20 '12 at 20:05
    
I've revised the question to make clear the intent is on the presentation of that data. –  aeismail Aug 20 '12 at 20:56
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2 Answers

up vote 17 down vote accepted

From my experience, researchers are free to re-use a given dataset as many times as they want in numerous publications. I've been involved in single datasets (which, admittedly, took years to build) that generated dozens of papers, and that is by no means a unique scenario. My understanding is that researchers are to refrain from publishing an identical analysis on an identical dataset in different papers. If you're using a single dataset for multiple analyses, there's no need to re-generate the data.

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I agree with the other answer that this is a normal occurrence.

To avoid any confusion, be clear and cite the previous publication as the source/original presentation of the data. It is not citing (even yourself), which is an ethical breach, as it makes it seem that have done more than you really have.

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