n class="op">)</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> renaming the first element in assays to 'counts'</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span>   the design formula contains one or more numeric variables with integer values,</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span>   specifying a model with increasing fold change for higher values.</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span>   did you mean for this to be a facto