class_docstr: The parent class for all the missing value imputation classes.
  
  You can just implement your own inheriting this class.
class_docstr_tok: ["The","parent","class","for","all","the","missing","value","imputation","classes",".","You","can","just","implement","your","own","inheriting","this","class","."]
code: def __init__(self) -> None:
      pass
  
imports: from typing import List, Optional, Union, Type
  import numpy
  import pandas
  from gluonts.core.component import validated
  from gluonts.dataset.common import DataEntry
  from gluonts.dataset.field_names import FieldName
  from gluonts.time_feature import TimeFeature
  from ._base import MapTransformation, SimpleTransformation
label_desc: Use image node_id 1 to create a new MissingValueImputation object  with example: obj = MissingValueImputation()