or _F</p></li>
<li><p>is_fetch - is this a fetch quantile variable, e.g., FETCH_70...</p></li>
<li><p>is_layer_aggregated - is this a layer-integrated variable,
  i.e., _#</p></li>
<li><p>is_layer_SD - is this a standard deviation of layer-integrated
  variable, i.e., spatial variability</p></li>
<li><p>is_layer_number - is this a number of samples of layer-integrated
  variable, i.e., spatial variability</p></li>
<li><p>is_replicate_aggregated - is this a replicate-averaged variable,
   e.g., _1_1_A</p></l