code: def dframe(cls, dataset, dimensions):
      if dimensions:
          return dataset.data[dimensions]
      else:
          return dataset.data.copy()
  
imports: import numpy
  import pandas
  from packaging.version import Version
  from pandas.api.types import is_numeric_dtype
  from ..None import util
  from ..dimension import Dimension, dimension_name
  from ..element import Element
  from ..ndmapping import NdMapping, item_check, sorted_context
  from .interface import DataError, Interface
  from .util import finite_range
label_desc: Use image node_id 21 for calling the PandasInterface obj's underlying member method code with example usage: obj.dframe(cls, dataset, dimensions) and returns: dataset, dataset