ss="section-desc"><p>Functions we provide for example test cases</p></p>
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          <p><code><a href="example_data_frame.html">example_data_frame()</a></code> </p>
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        <td><p>Function changing a data frame by adding a column</p></td>
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        <td>
          <p><code><a href="example_image.html">example_image()</a></code> </p>
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        <td><p>Function returning the Roche logo as an i