class_docstr: Missing Data Value
class_docstr_tok: ["Missing","Data","Value"]
docstr: Returns missing data count number.
code: def missing_count(self):
      """Returns missing data count number."""
      return self._missing_count
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from typing import Tuple, Dict
  from xai.data import explorer
  from xai.formatter.contents.base import Content
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 2 for calling the DataMissingValue obj's underlying member method code with example usage: obj.missing_count() and returns: self