code: def data_in_label(intvl_in, dtype_in_time, dtype_in_vert=False):
      
      intvl_lbl = intvl_in
      time_lbl = dtype_in_time
      lbl = '_'.join(['from', intvl_lbl, time_lbl]).replace('__', '_')
      vert_lbl = dtype_in_vert if dtype_in_vert else False
      if vert_lbl:
          lbl = '_'.join([lbl, vert_lbl]).replace('__', '_')
      return lbl
docs: Create string label specifying the input data of a calculation.