  4    4
#&gt; 47: 17.3   8 275.8 180 3.07 3.730 17.60  0  0    3    3
#&gt; 48: 32.4   4  78.7  66 4.08 2.200 19.47  1  1    4    1
#&gt; 49: 21.4   4 121.0 109 4.11 2.780 18.60  1  1    4    2
#&gt; 50: 18.7   8 360.0 175 3.15 3.440 17.02  0  0    3    2
#&gt;      mpg cyl  disp  hp drat    wt  qsec vs am gear carb</div><div class='input'><span class='fu'>sample_frac_dt</span>(<span class='no'>mtcars</span>, <span class='fl'>0.1</span>)</div><div class='output co'>#&gt;     mpg cyl  disp  hp drat    