class="r-out co"><span class="r-pr">#&gt;</span>       .imp        .id          centre  gender        bmi        </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  Min.   :1   Min.   :411   Min.   :2   0:1595   Min.   : 7.809  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  1st Qu.:2   1st Qu.:552   1st Qu.:2   1:1240   1st Qu.:24.297  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  Median :3   Median :694   Median :2            Median :28.314  </span>
<span 