or variables -- Exercise solutions and Code Boxes</a>
    <a class="dropdown-item" href="../articles/Chapter4Solutions.html">Chapter 4 -- Linear models -- anything goes -- Exercise solutions and Code Boxes</a>
    <a class="dropdown-item" href="../articles/Chapter5Solutions.html">Chapter 5 -- Model selection -- Exercise solutions and Code Boxes</a>
    <a class="dropdown-item" href="../articles/Chapter6Solutions.html">Chapter 6 -- Mixed effect models -- Exercise solutions and Code Boxes</a>
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