d="ref-gandrud2015">
<p>Gandrud, C. (2015). <em>Reproducible research with R and RStudio</em>. Boca Raton: CRC Press / Taylor; Francis Group.</p>
</div>
<div id="ref-horton2015">
<p>Horton, N. J., &amp; Kleinman, K. (2015). <em>Using R and RStudio for data management, statistical analysis, and graphics</em>. Chapman; Hall/CRC.</p>
</div>
</div>
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