e class="table table"><tr><td><strong>current</strong></td><td><code>factor</code></td><td>Which ocean current the sample was taken from</td></tr><tr><td><strong>sample</strong></td><td><code>integer</code></td><td>Sample ID</td></tr><tr><td><strong>length</strong></td><td><code>numeric</code></td><td>Particle length in mm</td></tr><tr><td><strong>width</strong></td><td><code>numeric</code></td><td>Particle width in mm</td></tr><tr><td><strong>height_est</strong></td><td><code>numeric</code></td><td>Estimat