code: def values(
      cls,
      dataset,
      dim,
      expanded=True,
      flat=True,
      compute=True,
      keep_index=False,
  ):
      dim = dataset.get_dimension(dim, strict=True)
      data = dataset.data[dim.name]
      if keep_index:
          return data
      if data.dtype.kind == "M" and getattr(data.dtype, "tz", None):
          data = data.dt.tz_localize(None)
      if not expanded:
          return pd.unique(data)
      return data.values if hasattr(data, "values") else data
  
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 16 for calling the PandasInterface obj's underlying member method code with example usage: obj.values(cls, dataset, dim, expanded, flat, compute, keep_index) and returns: unknown, data, pd